Model profile · xAI

Grok 4 Fast

Closed weightsmid · registry tag 2026 efficient

Thin verified coverage

Reads as thin verified coverage across the resolved source data.

Visible coverage: 24%
Verified coverage: 24%
Spread: 90.7%
Last verified: Jun 20, 2026

44%bench fit

textcodevisionsearchdocument8 aliases32 official source links

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Data version

Current snapshot.

Data version Jun 20, 2026Model list checked9 providers · 1081 tracked modelsPage refreshed Jul 5, 2026

The registry snapshot and page stamp are shown so a stale deploy is visible at a glance.

Source-linked scores by benchmark

Each row keeps the benchmark source, source type, raw metric, and percentile inside its fair comparison set.

Thin verified coverageThis model currently reads as thin verified coverage across the resolved source data.

Chat / text26 benchmarks69.2%

Intelligence Index

AA · Chat / text · Combined

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #150 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 16
Percentile: 62.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `intelligenceIndex`.

62.3% percentile inside its fair comparison set

16Raw benchmark value

AA-Omniscience accuracy

AA · Chat / text · Objective

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #172 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 15.9%
Percentile: 42.6%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `omniscienceAccuracy`.

42.6% percentile inside its fair comparison set

15.9%Raw benchmark value

AA-Omniscience non-hallucination

AA · Chat / text · Objective

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #98 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 21.8%
Percentile: 67.4%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `omniscienceNonHallucination`.

67.4% percentile inside its fair comparison set

21.8%Raw benchmark value

IFBench

AA · Chat / text · Objective

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #194 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 37.7%
Percentile: 38.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `ifbench`.

38.7% percentile inside its fair comparison set

37.7%Raw benchmark value

Blended price

AA · Chat / text · Speed / cost

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #89 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: $0.3 /1M tokens
Percentile: 68.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `price1mBlended0To3To1`.

68.5% percentile inside its fair comparison set

$0.3 /1M tokensRaw benchmark value

Input price

AA · Chat / text · Speed / cost

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #103 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: $0.2 /1M input tokens
Percentile: 66.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `price1mInputTokens`.

66.3% percentile inside its fair comparison set

$0.2 /1M input tokensRaw benchmark value

Output price

AA · Chat / text · Speed / cost

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #85 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: $0.5 /1M output tokens
Percentile: 70.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `price1mOutputTokens`.

70.3% percentile inside its fair comparison set

$0.5 /1M output tokensRaw benchmark value

Openness Index

AA · Chat / text · Combined

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #177 · Source label: Grok 4 Fast (Reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 6
Percentile: 7.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `opennessBreakdown.opennessIndex`.

7.5% percentile inside its fair comparison set

6Raw benchmark value

Text Arena

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #70 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,421
Percentile: 78.8%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: overall. Source rank: #88. Votes: 6809. Organization: xai. License: Proprietary.

78.8% percentile inside its fair comparison set

1,421Raw benchmark valueCI 1,413 - 1,429

Text Arena · Creative Writing

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #80 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,386
Percentile: 75.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: creative_writing. Source rank: #98. Votes: 941. Organization: xai. License: Proprietary.

75.5% percentile inside its fair comparison set

1,386Raw benchmark valueCI 1,366 - 1,405

Text Arena · English

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #76 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,429
Percentile: 76.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: english. Source rank: #95. Votes: 3227. Organization: xai. License: Proprietary.

76.9% percentile inside its fair comparison set

1,429Raw benchmark valueCI 1,419 - 1,439

Text Arena · Exclude Ties

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #70 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,411
Percentile: 78.8%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: exclude_ties. Source rank: #88. Votes: 4892. Organization: xai. License: Proprietary.

78.8% percentile inside its fair comparison set

1,411Raw benchmark valueCI 1,400 - 1,422

Text Arena · Hard Prompts

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #78 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,433
Percentile: 76.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: hard_prompts. Source rank: #98. Votes: 3165. Organization: xai. License: Proprietary.

76.3% percentile inside its fair comparison set

1,433Raw benchmark valueCI 1,422 - 1,443

Text Arena · Hard Prompts English

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #72 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,445
Percentile: 78.1%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: hard_prompts_english. Source rank: #90. Votes: 1611. Organization: xai. License: Proprietary.

78.1% percentile inside its fair comparison set

1,445Raw benchmark valueCI 1,430 - 1,460

Text Arena · Instruction Following

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #87 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,401
Percentile: 73.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: instruction_following. Source rank: #107. Votes: 1729. Organization: xai. License: Proprietary.

73.5% percentile inside its fair comparison set

1,401Raw benchmark valueCI 1,386 - 1,415

Text Arena · Longer Query

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #80 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,422
Percentile: 74%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: longer_query. Source rank: #100. Votes: 1456. Organization: xai. License: Proprietary.

74% percentile inside its fair comparison set

1,422Raw benchmark valueCI 1,406 - 1,437

Text Arena · Multi Turn

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #69 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,424
Percentile: 78.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: multi_turn. Source rank: #87. Votes: 1215. Organization: xai. License: Proprietary.

78.9% percentile inside its fair comparison set

1,424Raw benchmark valueCI 1,407 - 1,441

Text Arena · No Style Control

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #85 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,409
Percentile: 74.2%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: overall. Source rank: #102. Votes: 6809. Organization: xai. License: Proprietary.

74.2% percentile inside its fair comparison set

1,409Raw benchmark valueCI 1,401 - 1,417

Text Arena · Creative Writing · No Style Control

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #69 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,390
Percentile: 78.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: creative_writing. Source rank: #82. Votes: 941. Organization: xai. License: Proprietary.

78.9% percentile inside its fair comparison set

1,390Raw benchmark valueCI 1,370 - 1,409

Text Arena · English · No Style Control

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #88 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,416
Percentile: 73.2%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: english. Source rank: #104. Votes: 3227. Organization: xai. License: Proprietary.

73.2% percentile inside its fair comparison set

1,416Raw benchmark valueCI 1,406 - 1,426

Text Arena · Exclude Ties · No Style Control

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #84 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,393
Percentile: 74.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: exclude_ties. Source rank: #101. Votes: 4892. Organization: xai. License: Proprietary.

74.5% percentile inside its fair comparison set

1,393Raw benchmark valueCI 1,383 - 1,404

Text Arena · Hard Prompts · No Style Control

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #87 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,414
Percentile: 73.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: hard_prompts. Source rank: #104. Votes: 3165. Organization: xai. License: Proprietary.

73.5% percentile inside its fair comparison set

1,414Raw benchmark valueCI 1,403 - 1,424

Text Arena · Hard Prompts English · No Style Control

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #74 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,425
Percentile: 77.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: hard_prompts_english. Source rank: #90. Votes: 1611. Organization: xai. License: Proprietary.

77.5% percentile inside its fair comparison set

1,425Raw benchmark valueCI 1,411 - 1,440

Text Arena · Instruction Following · No Style Control

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #80 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,393
Percentile: 75.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: instruction_following. Source rank: #98. Votes: 1729. Organization: xai. License: Proprietary.

75.7% percentile inside its fair comparison set

1,393Raw benchmark valueCI 1,379 - 1,407

Text Arena · Longer Query · No Style Control

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #62 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,419
Percentile: 79.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: longer_query. Source rank: #75. Votes: 1456. Organization: xai. License: Proprietary.

79.9% percentile inside its fair comparison set

1,419Raw benchmark valueCI 1,403 - 1,434

Text Arena · Multi Turn · No Style Control

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #71 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,416
Percentile: 78.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: multi_turn. Source rank: #87. Votes: 1215. Organization: xai. License: Proprietary.

78.3% percentile inside its fair comparison set

1,416Raw benchmark valueCI 1,399 - 1,433

Coding11 benchmarks34.4%

Terminal-Bench Hard

AA · Coding · Objective

It tells you whether the model can generate, repair, and reason over code under evaluator pressure rather than marketing examples.

Rank #136 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 12.1%
Percentile: 55.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `terminalbenchHard`.

55.3% percentile inside its fair comparison set

12.1%Raw benchmark value

SciCode

AA · Coding · Objective

It tells you whether the model can generate, repair, and reason over code under evaluator pressure rather than marketing examples.

Rank #152 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 32.9%
Percentile: 59%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `scicode`.

59% percentile inside its fair comparison set

32.9%Raw benchmark value

Code Arena

AR · Coding · Human

It tells you whether the model can generate, repair, and reason over code under evaluator pressure rather than marketing examples.

Rank #72 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,150
Percentile: 2.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: overall. Source rank: #88. Votes: 934. Organization: xai. License: Proprietary.

2.7% percentile inside its fair comparison set

1,150Raw benchmark valueCI 1,127 - 1,174

WebDev Arena

AR · Coding · Human

It tells you whether the model can generate, repair, and reason over code under evaluator pressure rather than marketing examples.

Rank #72 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,150
Percentile: 2.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: webdev. Source rank: #88. Votes: 934. Organization: xai. License: Proprietary.

2.7% percentile inside its fair comparison set

1,150Raw benchmark valueCI 1,127 - 1,174

Code Arena · Webdev Html

AR · Coding · Human

It tells you whether the model can generate, repair, and reason over code under evaluator pressure rather than marketing examples.

Rank #72 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,157
Percentile: 2.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: webdev-html. Source rank: #87. Votes: 934. Organization: xai. License: Proprietary.

2.7% percentile inside its fair comparison set

1,157Raw benchmark valueCI 1,134 - 1,181

LiveCodeBench

VALS-AI · Coding · Objective

It tells you whether the model can generate, repair, and reason over code under evaluator pressure rather than marketing examples.

Rank #48 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 79%
Percentile: 47.8%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: lcb; provider: xAI.

47.8% percentile inside its fair comparison set

79%Raw benchmark valueCI 76.8% - 81.1%

SWE-bench Verified

VALS-AI · Coding · Objective

It tells you whether the model can generate, repair, and reason over code under evaluator pressure rather than marketing examples.

Rank #51 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 45.4%
Percentile: 7.4%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: swebench; provider: xAI.

7.4% percentile inside its fair comparison set

45.4%Raw benchmark valueCI 41% - 49.8%

Vibe Code Bench v1.1

VALS-AI · Coding · Objective

It tells you whether the model can generate, repair, and reason over code under evaluator pressure rather than marketing examples.

Rank #49 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 0%
Percentile: 4.1%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: vibe-code; provider: xAI.

4.1% percentile inside its fair comparison set

0%Raw benchmark valueCI 0% - 0%

Text Arena · Coding

AR · Coding · Human

It tells you whether the model can generate, repair, and reason over code under evaluator pressure rather than marketing examples.

Rank #82 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,458
Percentile: 74.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: coding. Source rank: #102. Votes: 1248. Organization: xai. License: Proprietary.

74.7% percentile inside its fair comparison set

1,458Raw benchmark valueCI 1,442 - 1,475

Text Arena · Coding · No Style Control

AR · Coding · Human

It tells you whether the model can generate, repair, and reason over code under evaluator pressure rather than marketing examples.

Rank #76 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,430
Percentile: 76.6%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: coding. Source rank: #93. Votes: 1248. Organization: xai. License: Proprietary.

76.6% percentile inside its fair comparison set

1,430Raw benchmark valueCI 1,414 - 1,446

IOI

VALS-AI · Coding · Objective

It tells you whether the model can generate, repair, and reason over code under evaluator pressure rather than marketing examples.

Rank #25 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 11.5%
Percentile: 45.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: ioi; provider: xAI.

45.5% percentile inside its fair comparison set

11.5%Raw benchmark valueCI 2.9% - 20.1%

Reasoning / math / science7 benchmarks58.9%

Humanity's Last Exam

AA · Reasoning / math / science · Objective

It is one of the cleaner reads on deliberate reasoning strength rather than style or popularity.

Rank #221 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 5%
Percentile: 41.1%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `hle`.

41.1% percentile inside its fair comparison set

5%Raw benchmark value

GPQA

AA · Reasoning / math / science · Objective

It is one of the cleaner reads on deliberate reasoning strength rather than style or popularity.

Rank #198 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 60.6%
Percentile: 47.6%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `gpqa`.

47.6% percentile inside its fair comparison set

60.6%Raw benchmark value

CritPt

AA · Reasoning / math / science · Objective

It is one of the cleaner reads on deliberate reasoning strength rather than style or popularity.

Rank #114 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 0%
Percentile: 65.2%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `critpt`.

65.2% percentile inside its fair comparison set

0%Raw benchmark value

GPQA Diamond

VALS-AI · Reasoning / math / science · Objective

It is one of the cleaner reads on deliberate reasoning strength rather than style or popularity.

Rank #29 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 85.4%
Percentile: 68.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: gpqa; provider: xAI.

68.5% percentile inside its fair comparison set

85.4%Raw benchmark valueCI 81.8% - 88.9%

MMLU Pro

VALS-AI · Reasoning / math / science · Objective

It is one of the cleaner reads on deliberate reasoning strength rather than style or popularity.

Rank #61 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 79.7%
Percentile: 32.6%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: mmlu_pro; provider: xAI.

32.6% percentile inside its fair comparison set

79.7%Raw benchmark valueCI 78.9% - 80.5%

Text Arena · Math

AR · Reasoning / math / science · Human

It is one of the cleaner reads on deliberate reasoning strength rather than style or popularity.

Rank #64 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,423
Percentile: 79.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: math. Source rank: #82. Votes: 398. Organization: xai. License: Proprietary.

79.9% percentile inside its fair comparison set

1,423Raw benchmark valueCI 1,394 - 1,453

Text Arena · Math · No Style Control

AR · Reasoning / math / science · Human

It is one of the cleaner reads on deliberate reasoning strength rather than style or popularity.

Rank #73 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,417
Percentile: 77.1%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: math. Source rank: #89. Votes: 398. Organization: xai. License: Proprietary.

77.1% percentile inside its fair comparison set

1,417Raw benchmark valueCI 1,388 - 1,445

Professional reasoning24 benchmarks68.7%

LegalBench

VALS-AI · Professional reasoning · Objective

Academic legal reasoning tasks.

Rank #51 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 80.6%
Percentile: 44.4%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: legal_bench; provider: xAI.

44.4% percentile inside its fair comparison set

80.6%Raw benchmark valueCI 79.7% - 81.5%

TaxEval v2

VALS-AI · Professional reasoning · Objective

Answer quality on tax questions and responses.

Rank #7 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 75.7%
Percentile: 93.4%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: tax_eval_v2; provider: xAI.

93.4% percentile inside its fair comparison set

75.7%Raw benchmark valueCI 74.2% - 77.2%

MedCode

VALS-AI · Professional reasoning · Objective

Medical billing support and coding tasks.

Rank #35 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 37.4%
Percentile: 33.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: medcode; provider: xAI.

33.3% percentile inside its fair comparison set

37.4%Raw benchmark valueCI 33.6% - 41.2%

MedScribe

VALS-AI · Professional reasoning · Objective

Administrative documentation support for doctors.

Rank #17 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 81.6%
Percentile: 68%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: medscribe; provider: xAI.

68% percentile inside its fair comparison set

81.6%Raw benchmark valueCI 77.4% - 85.8%

Text Arena · Expert

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena expert leaderboard.

Rank #89 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,422
Percentile: 68%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: expert. Source rank: #109. Votes: 298. Organization: xai. License: Proprietary.

68% percentile inside its fair comparison set

1,422Raw benchmark valueCI 1,388 - 1,456

Text Arena · Industry Business And Management And Financial Operations

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_business_and_management_and_financial_operations leaderboard.

Rank #96 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,402
Percentile: 70.1%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: industry_business_and_management_and_financial_operations. Source rank: #116. Votes: 1201. Organization: xai. License: Proprietary.

70.1% percentile inside its fair comparison set

1,402Raw benchmark valueCI 1,385 - 1,419

Text Arena · Industry Entertainment And Sports And Media

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_entertainment_and_sports_and_media leaderboard.

Rank #76 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,385
Percentile: 76.8%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: industry_entertainment_and_sports_and_media. Source rank: #95. Votes: 1277. Organization: xai. License: Proprietary.

76.8% percentile inside its fair comparison set

1,385Raw benchmark valueCI 1,369 - 1,402

Text Arena · Industry Legal And Government

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_legal_and_government leaderboard.

Rank #72 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,425
Percentile: 76.2%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: industry_legal_and_government. Source rank: #92. Votes: 1187. Organization: xai. License: Proprietary.

76.2% percentile inside its fair comparison set

1,425Raw benchmark valueCI 1,408 - 1,442

Text Arena · Industry Life And Physical And Social Science

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_life_and_physical_and_social_science leaderboard.

Rank #79 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,433
Percentile: 75.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: industry_life_and_physical_and_social_science. Source rank: #97. Votes: 1004. Organization: xai. License: Proprietary.

75.9% percentile inside its fair comparison set

1,433Raw benchmark valueCI 1,415 - 1,452

Text Arena · Industry Mathematical

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_mathematical leaderboard.

Rank #50 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,443
Percentile: 84.1%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: industry_mathematical. Source rank: #62. Votes: 319. Organization: xai. License: Proprietary.

84.1% percentile inside its fair comparison set

1,443Raw benchmark valueCI 1,411 - 1,475

Text Arena · Industry Medicine And Healthcare

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_medicine_and_healthcare leaderboard.

Rank #69 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,443
Percentile: 76.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: industry_medicine_and_healthcare. Source rank: #86. Votes: 392. Organization: xai. License: Proprietary.

76.9% percentile inside its fair comparison set

1,443Raw benchmark valueCI 1,413 - 1,473

Text Arena · Industry Software And It Services

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_software_and_it_services leaderboard.

Rank #64 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,459
Percentile: 80.6%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: industry_software_and_it_services. Source rank: #80. Votes: 2251. Organization: xai. License: Proprietary.

80.6% percentile inside its fair comparison set

1,459Raw benchmark valueCI 1,447 - 1,472

Text Arena · Industry Writing And Literature And Language

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_writing_and_literature_and_language leaderboard.

Rank #81 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,394
Percentile: 75.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: industry_writing_and_literature_and_language. Source rank: #101. Votes: 1527. Organization: xai. License: Proprietary.

75.3% percentile inside its fair comparison set

1,394Raw benchmark valueCI 1,379 - 1,409

Text Arena · Expert · No Style Control

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena expert leaderboard.

Rank #84 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,407
Percentile: 69.8%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: expert. Source rank: #102. Votes: 862. Organization: xai. License: Proprietary.

69.8% percentile inside its fair comparison set

1,407Raw benchmark valueCI 1,387 - 1,427

Text Arena · Industry Business And Management And Financial Operations · No Style Control

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_business_and_management_and_financial_operations leaderboard.

Rank #92 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,393
Percentile: 71.4%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: industry_business_and_management_and_financial_operations. Source rank: #110. Votes: 3651. Organization: xai. License: Proprietary.

71.4% percentile inside its fair comparison set

1,393Raw benchmark valueCI 1,383 - 1,402

Text Arena · Industry Entertainment And Sports And Media · No Style Control

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_entertainment_and_sports_and_media leaderboard.

Rank #72 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,383
Percentile: 78%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: industry_entertainment_and_sports_and_media. Source rank: #87. Votes: 1277. Organization: xai. License: Proprietary.

78% percentile inside its fair comparison set

1,383Raw benchmark valueCI 1,366 - 1,399

Text Arena · Industry Legal And Government · No Style Control

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_legal_and_government leaderboard.

Rank #67 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,427
Percentile: 77.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: industry_legal_and_government. Source rank: #81. Votes: 1187. Organization: xai. License: Proprietary.

77.9% percentile inside its fair comparison set

1,427Raw benchmark valueCI 1,411 - 1,444

Text Arena · Industry Life And Physical And Social Science · No Style Control

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_life_and_physical_and_social_science leaderboard.

Rank #83 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,424
Percentile: 74.6%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: industry_life_and_physical_and_social_science. Source rank: #97. Votes: 2985. Organization: xai. License: Proprietary.

74.6% percentile inside its fair comparison set

1,424Raw benchmark valueCI 1,413 - 1,435

Text Arena · Industry Mathematical · No Style Control

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_mathematical leaderboard.

Rank #59 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,432
Percentile: 81.2%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: industry_mathematical. Source rank: #69. Votes: 319. Organization: xai. License: Proprietary.

81.2% percentile inside its fair comparison set

1,432Raw benchmark valueCI 1,401 - 1,464

Text Arena · Industry Medicine And Healthcare · No Style Control

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_medicine_and_healthcare leaderboard.

Rank #80 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,420
Percentile: 73.2%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: industry_medicine_and_healthcare. Source rank: #96. Votes: 876. Organization: xai. License: Proprietary.

73.2% percentile inside its fair comparison set

1,420Raw benchmark valueCI 1,400 - 1,440

Text Arena · Industry Software And It Services · No Style Control

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_software_and_it_services leaderboard.

Rank #76 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,434
Percentile: 76.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: industry_software_and_it_services. Source rank: #91. Votes: 2251. Organization: xai. License: Proprietary.

76.9% percentile inside its fair comparison set

1,434Raw benchmark valueCI 1,422 - 1,447

Text Arena · Industry Writing And Literature And Language · No Style Control

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_writing_and_literature_and_language leaderboard.

Rank #73 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,392
Percentile: 77.8%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: industry_writing_and_literature_and_language. Source rank: #88. Votes: 1527. Organization: xai. License: Proprietary.

77.8% percentile inside its fair comparison set

1,392Raw benchmark valueCI 1,376 - 1,407

SAGE

VALS-AI · Professional reasoning · Objective

Student Assessment with Generative Evaluation.

Rank #43 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 29.8%
Percentile: 6.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: sage; provider: xAI.

6.7% percentile inside its fair comparison set

29.8%Raw benchmark valueCI 23.8% - 35.7%

Poker Agent

VALS-AI · Professional reasoning · Objective

Agent profit in poker-style strategic play.

Rank #11 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 1,034.3 score
Percentile: 37.5%
Last updated: archived
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: poker_agent; provider: unknown.

37.5% percentile inside its fair comparison set

1,034.3 scoreRaw benchmark valueCI 1,034.3 score - 1,034.3 score

Search / tool use3 benchmarks45.3%

Tau2-Bench Telecom

AA · Search / tool use · Objective

It matters when the model must browse, call tools, and recover useful answers from external systems.

Rank #107 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 63.7%
Percentile: 66%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `tau2`.

66% percentile inside its fair comparison set

63.7%Raw benchmark value

Search Arena

AR · Search / tool use · Human

It matters when the model must browse, call tools, and recover useful answers from external systems.

Rank #24 · Source label: grok-4-fast-search

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,159
Percentile: 23.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-search`. Category: overall. Source rank: #23. Votes: 43041. Organization: xai. License: Proprietary.

23.3% percentile inside its fair comparison set

1,159Raw benchmark valueCI 1,154 - 1,164

Search Arena · No Style Control

AR · Search / tool use · Human

It matters when the model must browse, call tools, and recover useful answers from external systems.

Rank #17 · Source label: grok-4-fast-search

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,170
Percentile: 46.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-search`. Category: overall. Source rank: #19. Votes: 43041. Organization: xai. License: Proprietary.

46.7% percentile inside its fair comparison set

1,170Raw benchmark valueCI 1,166 - 1,175

Long context2 benchmarks65.9%

Long Context Reasoning

AA · Long context · Objective

It checks whether long-context claims survive contact with retrieval, memory, or long-document tasks.

Rank #192 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 20%
Percentile: 39.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `lcr`.

39.7% percentile inside its fair comparison set

20%Raw benchmark value

CorpFin v2

VALS-AI · Long context · Objective

It checks whether long-context claims survive contact with retrieval, memory, or long-document tasks.

Rank #8 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 66.9%
Percentile: 92%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: corp_fin_v2; provider: xAI.

92% percentile inside its fair comparison set

66.9%Raw benchmark valueCI 65.1% - 68.7%

Vision understanding2 benchmarks27.9%

MMMU-Pro

AA · Vision understanding · Objective

It is useful when the model must read charts, UI, screenshots, or visual scenes rather than text alone.

Rank #105 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 48.1%
Percentile: 23%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `mmmuPro`.

23% percentile inside its fair comparison set

48.1%Raw benchmark value

MMMU Pro

VALS-AI · Vision understanding · Objective

It is useful when the model must read charts, UI, screenshots, or visual scenes rather than text alone.

Rank #40 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 72.8%
Percentile: 32.8%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: mmmu; provider: xAI.

32.8% percentile inside its fair comparison set

72.8%Raw benchmark valueCI 70.7% - 74.9%

Document understanding1 benchmark5%

MortgageTax

VALS-AI · Document understanding · Objective

It matters when the job is reading PDFs, tables, forms, or mixed-layout documents rather than plain chat.

Rank #58 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 42.1%
Percentile: 5%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: mortgage_tax; provider: xAI.

5% percentile inside its fair comparison set

42.1%Raw benchmark valueCI 40.2% - 44%

Multilingual14 benchmarks71.4%

Text Arena · Chinese

AR · Multilingual · Human

Observed user preference in Arena's Text Arena chinese leaderboard.

Rank #46 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,482
Percentile: 84.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: chinese. Source rank: #56. Votes: 357. Organization: xai. License: Proprietary.

84.7% percentile inside its fair comparison set

1,482Raw benchmark valueCI 1,450 - 1,514

Text Arena · French

AR · Multilingual · Human

Observed user preference in Arena's Text Arena french leaderboard.

Rank #65 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,443
Percentile: 70.4%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: french. Source rank: #81. Votes: 266. Organization: xai. License: Proprietary.

70.4% percentile inside its fair comparison set

1,443Raw benchmark valueCI 1,407 - 1,480

Text Arena · German

AR · Multilingual · Human

Observed user preference in Arena's Text Arena german leaderboard.

Rank #85 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,385
Percentile: 64.6%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: german. Source rank: #105. Votes: 349. Organization: xai. License: Proprietary.

64.6% percentile inside its fair comparison set

1,385Raw benchmark valueCI 1,354 - 1,417

Text Arena · Japanese

AR · Multilingual · Human

Observed user preference in Arena's Text Arena japanese leaderboard.

Rank #66 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,363
Percentile: 68%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: japanese. Source rank: #85. Votes: 177. Organization: xai. License: Proprietary.

68% percentile inside its fair comparison set

1,363Raw benchmark valueCI 1,318 - 1,409

Text Arena · Korean

AR · Multilingual · Human

Observed user preference in Arena's Text Arena korean leaderboard.

Rank #76 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,354
Percentile: 63.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: korean. Source rank: #95. Votes: 341. Organization: xai. License: Proprietary.

63.9% percentile inside its fair comparison set

1,354Raw benchmark valueCI 1,321 - 1,387

Text Arena · Russian

AR · Multilingual · Human

Observed user preference in Arena's Text Arena russian leaderboard.

Rank #88 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,400
Percentile: 69.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: russian. Source rank: #107. Votes: 1038. Organization: xai. License: Proprietary.

69.9% percentile inside its fair comparison set

1,400Raw benchmark valueCI 1,382 - 1,417

Text Arena · Spanish

AR · Multilingual · Human

Observed user preference in Arena's Text Arena spanish leaderboard.

Rank #51 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,426
Percentile: 76.6%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: spanish. Source rank: #64. Votes: 244. Organization: xai. License: Proprietary.

76.6% percentile inside its fair comparison set

1,426Raw benchmark valueCI 1,387 - 1,465

Text Arena · Chinese · No Style Control

AR · Multilingual · Human

Observed user preference in Arena's Text Arena chinese leaderboard.

Rank #37 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,476
Percentile: 87.8%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: chinese. Source rank: #47. Votes: 357. Organization: xai. License: Proprietary.

87.8% percentile inside its fair comparison set

1,476Raw benchmark valueCI 1,443 - 1,508

Text Arena · French · No Style Control

AR · Multilingual · Human

Observed user preference in Arena's Text Arena french leaderboard.

Rank #60 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,435
Percentile: 72.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: french. Source rank: #73. Votes: 266. Organization: xai. License: Proprietary.

72.7% percentile inside its fair comparison set

1,435Raw benchmark valueCI 1,399 - 1,471

Text Arena · German · No Style Control

AR · Multilingual · Human

Observed user preference in Arena's Text Arena german leaderboard.

Rank #84 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,386
Percentile: 65%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: german. Source rank: #101. Votes: 349. Organization: xai. License: Proprietary.

65% percentile inside its fair comparison set

1,386Raw benchmark valueCI 1,355 - 1,417

Text Arena · Japanese · No Style Control

AR · Multilingual · Human

Observed user preference in Arena's Text Arena japanese leaderboard.

Rank #65 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,353
Percentile: 68.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: japanese. Source rank: #82. Votes: 177. Organization: xai. License: Proprietary.

68.5% percentile inside its fair comparison set

1,353Raw benchmark valueCI 1,308 - 1,398

Text Arena · Korean · No Style Control

AR · Multilingual · Human

Observed user preference in Arena's Text Arena korean leaderboard.

Rank #80 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,354
Percentile: 62%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: korean. Source rank: #97. Votes: 341. Organization: xai. License: Proprietary.

62% percentile inside its fair comparison set

1,354Raw benchmark valueCI 1,322 - 1,386

Text Arena · Russian · No Style Control

AR · Multilingual · Human

Observed user preference in Arena's Text Arena russian leaderboard.

Rank #87 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,390
Percentile: 70.2%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: russian. Source rank: #107. Votes: 1038. Organization: xai. License: Proprietary.

70.2% percentile inside its fair comparison set

1,390Raw benchmark valueCI 1,373 - 1,408

Text Arena · Spanish · No Style Control

AR · Multilingual · Human

Observed user preference in Arena's Text Arena spanish leaderboard.

Rank #55 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,421
Percentile: 74.8%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: spanish. Source rank: #68. Votes: 244. Organization: xai. License: Proprietary.

74.8% percentile inside its fair comparison set

1,421Raw benchmark valueCI 1,382 - 1,460

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Artificial Analysis

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Model profile · xAI

Grok 4 Fast

Closed weightsmid · registry tag 2026 efficient

Thin verified coverage

Reads as thin verified coverage across the resolved source data.

Visible coverage: 24%
Verified coverage: 24%
Spread: 90.7%
Last verified: Jun 20, 2026

44%bench fit

textcodevisionsearchdocument8 aliases32 official source links

Open compare

Data version

Current snapshot.

Data version Jun 20, 2026Model list checked9 providers · 1081 tracked modelsPage refreshed Jul 5, 2026

The registry snapshot and page stamp are shown so a stale deploy is visible at a glance.

Source-linked scores by benchmark

Each row keeps the benchmark source, source type, raw metric, and percentile inside its fair comparison set.

Thin verified coverageThis model currently reads as thin verified coverage across the resolved source data.

Chat / text26 benchmarks69.2%

Intelligence Index

AA · Chat / text · Combined

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #150 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 16
Percentile: 62.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `intelligenceIndex`.

62.3% percentile inside its fair comparison set

16Raw benchmark value

AA-Omniscience accuracy

AA · Chat / text · Objective

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #172 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 15.9%
Percentile: 42.6%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `omniscienceAccuracy`.

42.6% percentile inside its fair comparison set

15.9%Raw benchmark value

AA-Omniscience non-hallucination

AA · Chat / text · Objective

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #98 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 21.8%
Percentile: 67.4%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `omniscienceNonHallucination`.

67.4% percentile inside its fair comparison set

21.8%Raw benchmark value

IFBench

AA · Chat / text · Objective

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #194 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 37.7%
Percentile: 38.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `ifbench`.

38.7% percentile inside its fair comparison set

37.7%Raw benchmark value

Blended price

AA · Chat / text · Speed / cost

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #89 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: $0.3 /1M tokens
Percentile: 68.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `price1mBlended0To3To1`.

68.5% percentile inside its fair comparison set

$0.3 /1M tokensRaw benchmark value

Input price

AA · Chat / text · Speed / cost

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #103 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: $0.2 /1M input tokens
Percentile: 66.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `price1mInputTokens`.

66.3% percentile inside its fair comparison set

$0.2 /1M input tokensRaw benchmark value

Output price

AA · Chat / text · Speed / cost

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #85 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: $0.5 /1M output tokens
Percentile: 70.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `price1mOutputTokens`.

70.3% percentile inside its fair comparison set

$0.5 /1M output tokensRaw benchmark value

Openness Index

AA · Chat / text · Combined

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #177 · Source label: Grok 4 Fast (Reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 6
Percentile: 7.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `opennessBreakdown.opennessIndex`.

7.5% percentile inside its fair comparison set

6Raw benchmark value

Text Arena

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #70 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,421
Percentile: 78.8%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: overall. Source rank: #88. Votes: 6809. Organization: xai. License: Proprietary.

78.8% percentile inside its fair comparison set

1,421Raw benchmark valueCI 1,413 - 1,429

Text Arena · Creative Writing

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #80 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,386
Percentile: 75.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: creative_writing. Source rank: #98. Votes: 941. Organization: xai. License: Proprietary.

75.5% percentile inside its fair comparison set

1,386Raw benchmark valueCI 1,366 - 1,405

Text Arena · English

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #76 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,429
Percentile: 76.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: english. Source rank: #95. Votes: 3227. Organization: xai. License: Proprietary.

76.9% percentile inside its fair comparison set

1,429Raw benchmark valueCI 1,419 - 1,439

Text Arena · Exclude Ties

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #70 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,411
Percentile: 78.8%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: exclude_ties. Source rank: #88. Votes: 4892. Organization: xai. License: Proprietary.

78.8% percentile inside its fair comparison set

1,411Raw benchmark valueCI 1,400 - 1,422

Text Arena · Hard Prompts

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #78 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,433
Percentile: 76.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: hard_prompts. Source rank: #98. Votes: 3165. Organization: xai. License: Proprietary.

76.3% percentile inside its fair comparison set

1,433Raw benchmark valueCI 1,422 - 1,443

Text Arena · Hard Prompts English

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #72 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,445
Percentile: 78.1%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: hard_prompts_english. Source rank: #90. Votes: 1611. Organization: xai. License: Proprietary.

78.1% percentile inside its fair comparison set

1,445Raw benchmark valueCI 1,430 - 1,460

Text Arena · Instruction Following

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #87 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,401
Percentile: 73.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: instruction_following. Source rank: #107. Votes: 1729. Organization: xai. License: Proprietary.

73.5% percentile inside its fair comparison set

1,401Raw benchmark valueCI 1,386 - 1,415

Text Arena · Longer Query

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #80 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,422
Percentile: 74%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: longer_query. Source rank: #100. Votes: 1456. Organization: xai. License: Proprietary.

74% percentile inside its fair comparison set

1,422Raw benchmark valueCI 1,406 - 1,437

Text Arena · Multi Turn

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #69 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,424
Percentile: 78.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: multi_turn. Source rank: #87. Votes: 1215. Organization: xai. License: Proprietary.

78.9% percentile inside its fair comparison set

1,424Raw benchmark valueCI 1,407 - 1,441

Text Arena · No Style Control

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #85 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,409
Percentile: 74.2%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: overall. Source rank: #102. Votes: 6809. Organization: xai. License: Proprietary.

74.2% percentile inside its fair comparison set

1,409Raw benchmark valueCI 1,401 - 1,417

Text Arena · Creative Writing · No Style Control

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #69 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,390
Percentile: 78.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: creative_writing. Source rank: #82. Votes: 941. Organization: xai. License: Proprietary.

78.9% percentile inside its fair comparison set

1,390Raw benchmark valueCI 1,370 - 1,409

Text Arena · English · No Style Control

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #88 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,416
Percentile: 73.2%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: english. Source rank: #104. Votes: 3227. Organization: xai. License: Proprietary.

73.2% percentile inside its fair comparison set

1,416Raw benchmark valueCI 1,406 - 1,426

Text Arena · Exclude Ties · No Style Control

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #84 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,393
Percentile: 74.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: exclude_ties. Source rank: #101. Votes: 4892. Organization: xai. License: Proprietary.

74.5% percentile inside its fair comparison set

1,393Raw benchmark valueCI 1,383 - 1,404

Text Arena · Hard Prompts · No Style Control

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #87 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,414
Percentile: 73.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: hard_prompts. Source rank: #104. Votes: 3165. Organization: xai. License: Proprietary.

73.5% percentile inside its fair comparison set

1,414Raw benchmark valueCI 1,403 - 1,424

Text Arena · Hard Prompts English · No Style Control

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #74 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,425
Percentile: 77.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: hard_prompts_english. Source rank: #90. Votes: 1611. Organization: xai. License: Proprietary.

77.5% percentile inside its fair comparison set

1,425Raw benchmark valueCI 1,411 - 1,440

Text Arena · Instruction Following · No Style Control

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #80 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,393
Percentile: 75.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: instruction_following. Source rank: #98. Votes: 1729. Organization: xai. License: Proprietary.

75.7% percentile inside its fair comparison set

1,393Raw benchmark valueCI 1,379 - 1,407

Text Arena · Longer Query · No Style Control

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #62 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,419
Percentile: 79.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: longer_query. Source rank: #75. Votes: 1456. Organization: xai. License: Proprietary.

79.9% percentile inside its fair comparison set

1,419Raw benchmark valueCI 1,403 - 1,434

Text Arena · Multi Turn · No Style Control

AR · Chat / text · Human

It tests whether the model is actually useful in normal conversational turns, not just on narrow correctness tasks.

Rank #71 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,416
Percentile: 78.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: multi_turn. Source rank: #87. Votes: 1215. Organization: xai. License: Proprietary.

78.3% percentile inside its fair comparison set

1,416Raw benchmark valueCI 1,399 - 1,433

Coding11 benchmarks34.4%

Terminal-Bench Hard

AA · Coding · Objective

It tells you whether the model can generate, repair, and reason over code under evaluator pressure rather than marketing examples.

Rank #136 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 12.1%
Percentile: 55.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `terminalbenchHard`.

55.3% percentile inside its fair comparison set

12.1%Raw benchmark value

SciCode

AA · Coding · Objective

It tells you whether the model can generate, repair, and reason over code under evaluator pressure rather than marketing examples.

Rank #152 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 32.9%
Percentile: 59%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `scicode`.

59% percentile inside its fair comparison set

32.9%Raw benchmark value

Code Arena

AR · Coding · Human

It tells you whether the model can generate, repair, and reason over code under evaluator pressure rather than marketing examples.

Rank #72 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,150
Percentile: 2.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: overall. Source rank: #88. Votes: 934. Organization: xai. License: Proprietary.

2.7% percentile inside its fair comparison set

1,150Raw benchmark valueCI 1,127 - 1,174

WebDev Arena

AR · Coding · Human

It tells you whether the model can generate, repair, and reason over code under evaluator pressure rather than marketing examples.

Rank #72 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,150
Percentile: 2.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: webdev. Source rank: #88. Votes: 934. Organization: xai. License: Proprietary.

2.7% percentile inside its fair comparison set

1,150Raw benchmark valueCI 1,127 - 1,174

Code Arena · Webdev Html

AR · Coding · Human

It tells you whether the model can generate, repair, and reason over code under evaluator pressure rather than marketing examples.

Rank #72 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,157
Percentile: 2.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: webdev-html. Source rank: #87. Votes: 934. Organization: xai. License: Proprietary.

2.7% percentile inside its fair comparison set

1,157Raw benchmark valueCI 1,134 - 1,181

LiveCodeBench

VALS-AI · Coding · Objective

It tells you whether the model can generate, repair, and reason over code under evaluator pressure rather than marketing examples.

Rank #48 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 79%
Percentile: 47.8%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: lcb; provider: xAI.

47.8% percentile inside its fair comparison set

79%Raw benchmark valueCI 76.8% - 81.1%

SWE-bench Verified

VALS-AI · Coding · Objective

It tells you whether the model can generate, repair, and reason over code under evaluator pressure rather than marketing examples.

Rank #51 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 45.4%
Percentile: 7.4%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: swebench; provider: xAI.

7.4% percentile inside its fair comparison set

45.4%Raw benchmark valueCI 41% - 49.8%

Vibe Code Bench v1.1

VALS-AI · Coding · Objective

It tells you whether the model can generate, repair, and reason over code under evaluator pressure rather than marketing examples.

Rank #49 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 0%
Percentile: 4.1%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: vibe-code; provider: xAI.

4.1% percentile inside its fair comparison set

0%Raw benchmark valueCI 0% - 0%

Text Arena · Coding

AR · Coding · Human

It tells you whether the model can generate, repair, and reason over code under evaluator pressure rather than marketing examples.

Rank #82 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,458
Percentile: 74.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: coding. Source rank: #102. Votes: 1248. Organization: xai. License: Proprietary.

74.7% percentile inside its fair comparison set

1,458Raw benchmark valueCI 1,442 - 1,475

Text Arena · Coding · No Style Control

AR · Coding · Human

It tells you whether the model can generate, repair, and reason over code under evaluator pressure rather than marketing examples.

Rank #76 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,430
Percentile: 76.6%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: coding. Source rank: #93. Votes: 1248. Organization: xai. License: Proprietary.

76.6% percentile inside its fair comparison set

1,430Raw benchmark valueCI 1,414 - 1,446

IOI

VALS-AI · Coding · Objective

It tells you whether the model can generate, repair, and reason over code under evaluator pressure rather than marketing examples.

Rank #25 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 11.5%
Percentile: 45.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: ioi; provider: xAI.

45.5% percentile inside its fair comparison set

11.5%Raw benchmark valueCI 2.9% - 20.1%

Reasoning / math / science7 benchmarks58.9%

Humanity's Last Exam

AA · Reasoning / math / science · Objective

It is one of the cleaner reads on deliberate reasoning strength rather than style or popularity.

Rank #221 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 5%
Percentile: 41.1%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `hle`.

41.1% percentile inside its fair comparison set

5%Raw benchmark value

GPQA

AA · Reasoning / math / science · Objective

It is one of the cleaner reads on deliberate reasoning strength rather than style or popularity.

Rank #198 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 60.6%
Percentile: 47.6%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `gpqa`.

47.6% percentile inside its fair comparison set

60.6%Raw benchmark value

CritPt

AA · Reasoning / math / science · Objective

It is one of the cleaner reads on deliberate reasoning strength rather than style or popularity.

Rank #114 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 0%
Percentile: 65.2%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `critpt`.

65.2% percentile inside its fair comparison set

0%Raw benchmark value

GPQA Diamond

VALS-AI · Reasoning / math / science · Objective

It is one of the cleaner reads on deliberate reasoning strength rather than style or popularity.

Rank #29 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 85.4%
Percentile: 68.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: gpqa; provider: xAI.

68.5% percentile inside its fair comparison set

85.4%Raw benchmark valueCI 81.8% - 88.9%

MMLU Pro

VALS-AI · Reasoning / math / science · Objective

It is one of the cleaner reads on deliberate reasoning strength rather than style or popularity.

Rank #61 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 79.7%
Percentile: 32.6%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: mmlu_pro; provider: xAI.

32.6% percentile inside its fair comparison set

79.7%Raw benchmark valueCI 78.9% - 80.5%

Text Arena · Math

AR · Reasoning / math / science · Human

It is one of the cleaner reads on deliberate reasoning strength rather than style or popularity.

Rank #64 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,423
Percentile: 79.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: math. Source rank: #82. Votes: 398. Organization: xai. License: Proprietary.

79.9% percentile inside its fair comparison set

1,423Raw benchmark valueCI 1,394 - 1,453

Text Arena · Math · No Style Control

AR · Reasoning / math / science · Human

It is one of the cleaner reads on deliberate reasoning strength rather than style or popularity.

Rank #73 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,417
Percentile: 77.1%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: math. Source rank: #89. Votes: 398. Organization: xai. License: Proprietary.

77.1% percentile inside its fair comparison set

1,417Raw benchmark valueCI 1,388 - 1,445

Professional reasoning24 benchmarks68.7%

LegalBench

VALS-AI · Professional reasoning · Objective

Academic legal reasoning tasks.

Rank #51 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 80.6%
Percentile: 44.4%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: legal_bench; provider: xAI.

44.4% percentile inside its fair comparison set

80.6%Raw benchmark valueCI 79.7% - 81.5%

TaxEval v2

VALS-AI · Professional reasoning · Objective

Answer quality on tax questions and responses.

Rank #7 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 75.7%
Percentile: 93.4%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: tax_eval_v2; provider: xAI.

93.4% percentile inside its fair comparison set

75.7%Raw benchmark valueCI 74.2% - 77.2%

MedCode

VALS-AI · Professional reasoning · Objective

Medical billing support and coding tasks.

Rank #35 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 37.4%
Percentile: 33.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: medcode; provider: xAI.

33.3% percentile inside its fair comparison set

37.4%Raw benchmark valueCI 33.6% - 41.2%

MedScribe

VALS-AI · Professional reasoning · Objective

Administrative documentation support for doctors.

Rank #17 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 81.6%
Percentile: 68%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: medscribe; provider: xAI.

68% percentile inside its fair comparison set

81.6%Raw benchmark valueCI 77.4% - 85.8%

Text Arena · Expert

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena expert leaderboard.

Rank #89 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,422
Percentile: 68%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: expert. Source rank: #109. Votes: 298. Organization: xai. License: Proprietary.

68% percentile inside its fair comparison set

1,422Raw benchmark valueCI 1,388 - 1,456

Text Arena · Industry Business And Management And Financial Operations

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_business_and_management_and_financial_operations leaderboard.

Rank #96 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,402
Percentile: 70.1%
Last updated: recent
Eligibility: headline eligible

70.1% percentile inside its fair comparison set

1,402Raw benchmark valueCI 1,385 - 1,419

Text Arena · Industry Entertainment And Sports And Media

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_entertainment_and_sports_and_media leaderboard.

Rank #76 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,385
Percentile: 76.8%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: industry_entertainment_and_sports_and_media. Source rank: #95. Votes: 1277. Organization: xai. License: Proprietary.

76.8% percentile inside its fair comparison set

1,385Raw benchmark valueCI 1,369 - 1,402

Text Arena · Industry Legal And Government

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_legal_and_government leaderboard.

Rank #72 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,425
Percentile: 76.2%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: industry_legal_and_government. Source rank: #92. Votes: 1187. Organization: xai. License: Proprietary.

76.2% percentile inside its fair comparison set

1,425Raw benchmark valueCI 1,408 - 1,442

Text Arena · Industry Life And Physical And Social Science

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_life_and_physical_and_social_science leaderboard.

Rank #79 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,433
Percentile: 75.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: industry_life_and_physical_and_social_science. Source rank: #97. Votes: 1004. Organization: xai. License: Proprietary.

75.9% percentile inside its fair comparison set

1,433Raw benchmark valueCI 1,415 - 1,452

Text Arena · Industry Mathematical

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_mathematical leaderboard.

Rank #50 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,443
Percentile: 84.1%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: industry_mathematical. Source rank: #62. Votes: 319. Organization: xai. License: Proprietary.

84.1% percentile inside its fair comparison set

1,443Raw benchmark valueCI 1,411 - 1,475

Text Arena · Industry Medicine And Healthcare

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_medicine_and_healthcare leaderboard.

Rank #69 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,443
Percentile: 76.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: industry_medicine_and_healthcare. Source rank: #86. Votes: 392. Organization: xai. License: Proprietary.

76.9% percentile inside its fair comparison set

1,443Raw benchmark valueCI 1,413 - 1,473

Text Arena · Industry Software And It Services

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_software_and_it_services leaderboard.

Rank #64 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,459
Percentile: 80.6%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: industry_software_and_it_services. Source rank: #80. Votes: 2251. Organization: xai. License: Proprietary.

80.6% percentile inside its fair comparison set

1,459Raw benchmark valueCI 1,447 - 1,472

Text Arena · Industry Writing And Literature And Language

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_writing_and_literature_and_language leaderboard.

Rank #81 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,394
Percentile: 75.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: industry_writing_and_literature_and_language. Source rank: #101. Votes: 1527. Organization: xai. License: Proprietary.

75.3% percentile inside its fair comparison set

1,394Raw benchmark valueCI 1,379 - 1,409

Text Arena · Expert · No Style Control

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena expert leaderboard.

Rank #84 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,407
Percentile: 69.8%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: expert. Source rank: #102. Votes: 862. Organization: xai. License: Proprietary.

69.8% percentile inside its fair comparison set

1,407Raw benchmark valueCI 1,387 - 1,427

Text Arena · Industry Business And Management And Financial Operations · No Style Control

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_business_and_management_and_financial_operations leaderboard.

Rank #92 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,393
Percentile: 71.4%
Last updated: recent
Eligibility: headline eligible

71.4% percentile inside its fair comparison set

1,393Raw benchmark valueCI 1,383 - 1,402

Text Arena · Industry Entertainment And Sports And Media · No Style Control

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_entertainment_and_sports_and_media leaderboard.

Rank #72 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,383
Percentile: 78%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: industry_entertainment_and_sports_and_media. Source rank: #87. Votes: 1277. Organization: xai. License: Proprietary.

78% percentile inside its fair comparison set

1,383Raw benchmark valueCI 1,366 - 1,399

Text Arena · Industry Legal And Government · No Style Control

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_legal_and_government leaderboard.

Rank #67 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,427
Percentile: 77.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: industry_legal_and_government. Source rank: #81. Votes: 1187. Organization: xai. License: Proprietary.

77.9% percentile inside its fair comparison set

1,427Raw benchmark valueCI 1,411 - 1,444

Text Arena · Industry Life And Physical And Social Science · No Style Control

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_life_and_physical_and_social_science leaderboard.

Rank #83 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,424
Percentile: 74.6%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: industry_life_and_physical_and_social_science. Source rank: #97. Votes: 2985. Organization: xai. License: Proprietary.

74.6% percentile inside its fair comparison set

1,424Raw benchmark valueCI 1,413 - 1,435

Text Arena · Industry Mathematical · No Style Control

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_mathematical leaderboard.

Rank #59 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,432
Percentile: 81.2%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: industry_mathematical. Source rank: #69. Votes: 319. Organization: xai. License: Proprietary.

81.2% percentile inside its fair comparison set

1,432Raw benchmark valueCI 1,401 - 1,464

Text Arena · Industry Medicine And Healthcare · No Style Control

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_medicine_and_healthcare leaderboard.

Rank #80 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,420
Percentile: 73.2%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: industry_medicine_and_healthcare. Source rank: #96. Votes: 876. Organization: xai. License: Proprietary.

73.2% percentile inside its fair comparison set

1,420Raw benchmark valueCI 1,400 - 1,440

Text Arena · Industry Software And It Services · No Style Control

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_software_and_it_services leaderboard.

Rank #76 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,434
Percentile: 76.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: industry_software_and_it_services. Source rank: #91. Votes: 2251. Organization: xai. License: Proprietary.

76.9% percentile inside its fair comparison set

1,434Raw benchmark valueCI 1,422 - 1,447

Text Arena · Industry Writing And Literature And Language · No Style Control

AR · Professional reasoning · Human

Observed user preference in Arena's Text Arena industry_writing_and_literature_and_language leaderboard.

Rank #73 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,392
Percentile: 77.8%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: industry_writing_and_literature_and_language. Source rank: #88. Votes: 1527. Organization: xai. License: Proprietary.

77.8% percentile inside its fair comparison set

1,392Raw benchmark valueCI 1,376 - 1,407

SAGE

VALS-AI · Professional reasoning · Objective

Student Assessment with Generative Evaluation.

Rank #43 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 29.8%
Percentile: 6.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: sage; provider: xAI.

6.7% percentile inside its fair comparison set

29.8%Raw benchmark valueCI 23.8% - 35.7%

Poker Agent

VALS-AI · Professional reasoning · Objective

Agent profit in poker-style strategic play.

Rank #11 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 1,034.3 score
Percentile: 37.5%
Last updated: archived
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: poker_agent; provider: unknown.

37.5% percentile inside its fair comparison set

1,034.3 scoreRaw benchmark valueCI 1,034.3 score - 1,034.3 score

Search / tool use3 benchmarks45.3%

Tau2-Bench Telecom

AA · Search / tool use · Objective

It matters when the model must browse, call tools, and recover useful answers from external systems.

Rank #107 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 63.7%
Percentile: 66%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `tau2`.

66% percentile inside its fair comparison set

63.7%Raw benchmark value

Search Arena

AR · Search / tool use · Human

It matters when the model must browse, call tools, and recover useful answers from external systems.

Rank #24 · Source label: grok-4-fast-search

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,159
Percentile: 23.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-search`. Category: overall. Source rank: #23. Votes: 43041. Organization: xai. License: Proprietary.

23.3% percentile inside its fair comparison set

1,159Raw benchmark valueCI 1,154 - 1,164

Search Arena · No Style Control

AR · Search / tool use · Human

It matters when the model must browse, call tools, and recover useful answers from external systems.

Rank #17 · Source label: grok-4-fast-search

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,170
Percentile: 46.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-search`. Category: overall. Source rank: #19. Votes: 43041. Organization: xai. License: Proprietary.

46.7% percentile inside its fair comparison set

1,170Raw benchmark valueCI 1,166 - 1,175

Long context2 benchmarks65.9%

Long Context Reasoning

AA · Long context · Objective

It checks whether long-context claims survive contact with retrieval, memory, or long-document tasks.

Rank #192 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 20%
Percentile: 39.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `lcr`.

39.7% percentile inside its fair comparison set

20%Raw benchmark value

CorpFin v2

VALS-AI · Long context · Objective

It checks whether long-context claims survive contact with retrieval, memory, or long-document tasks.

Rank #8 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 66.9%
Percentile: 92%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: corp_fin_v2; provider: xAI.

92% percentile inside its fair comparison set

66.9%Raw benchmark valueCI 65.1% - 68.7%

Vision understanding2 benchmarks27.9%

MMMU-Pro

AA · Vision understanding · Objective

It is useful when the model must read charts, UI, screenshots, or visual scenes rather than text alone.

Rank #105 · Source label: Grok 4 Fast (Non-reasoning)

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Artificial Analysis
Raw value: 48.1%
Percentile: 23%
Last updated: recent
Eligibility: headline eligible

Parsed from Artificial Analysis public leaderboard field `mmmuPro`.

23% percentile inside its fair comparison set

48.1%Raw benchmark value

MMMU Pro

VALS-AI · Vision understanding · Objective

It is useful when the model must read charts, UI, screenshots, or visual scenes rather than text alone.

Rank #40 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 72.8%
Percentile: 32.8%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: mmmu; provider: xAI.

32.8% percentile inside its fair comparison set

72.8%Raw benchmark valueCI 70.7% - 74.9%

Document understanding1 benchmark5%

MortgageTax

VALS-AI · Document understanding · Objective

It matters when the job is reading PDFs, tables, forms, or mixed-layout documents rather than plain chat.

Rank #58 · Source label: grok/grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Vals AI
Raw value: 42.1%
Percentile: 5%
Last updated: recent
Eligibility: headline eligible

Parsed from Vals AI BenchmarkView overall scores. Vals slug: mortgage_tax; provider: xAI.

5% percentile inside its fair comparison set

42.1%Raw benchmark valueCI 40.2% - 44%

Multilingual14 benchmarks71.4%

Text Arena · Chinese

AR · Multilingual · Human

Observed user preference in Arena's Text Arena chinese leaderboard.

Rank #46 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,482
Percentile: 84.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: chinese. Source rank: #56. Votes: 357. Organization: xai. License: Proprietary.

84.7% percentile inside its fair comparison set

1,482Raw benchmark valueCI 1,450 - 1,514

Text Arena · French

AR · Multilingual · Human

Observed user preference in Arena's Text Arena french leaderboard.

Rank #65 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,443
Percentile: 70.4%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: french. Source rank: #81. Votes: 266. Organization: xai. License: Proprietary.

70.4% percentile inside its fair comparison set

1,443Raw benchmark valueCI 1,407 - 1,480

Text Arena · German

AR · Multilingual · Human

Observed user preference in Arena's Text Arena german leaderboard.

Rank #85 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,385
Percentile: 64.6%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: german. Source rank: #105. Votes: 349. Organization: xai. License: Proprietary.

64.6% percentile inside its fair comparison set

1,385Raw benchmark valueCI 1,354 - 1,417

Text Arena · Japanese

AR · Multilingual · Human

Observed user preference in Arena's Text Arena japanese leaderboard.

Rank #66 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,363
Percentile: 68%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: japanese. Source rank: #85. Votes: 177. Organization: xai. License: Proprietary.

68% percentile inside its fair comparison set

1,363Raw benchmark valueCI 1,318 - 1,409

Text Arena · Korean

AR · Multilingual · Human

Observed user preference in Arena's Text Arena korean leaderboard.

Rank #76 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,354
Percentile: 63.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: korean. Source rank: #95. Votes: 341. Organization: xai. License: Proprietary.

63.9% percentile inside its fair comparison set

1,354Raw benchmark valueCI 1,321 - 1,387

Text Arena · Russian

AR · Multilingual · Human

Observed user preference in Arena's Text Arena russian leaderboard.

Rank #88 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,400
Percentile: 69.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: russian. Source rank: #107. Votes: 1038. Organization: xai. License: Proprietary.

69.9% percentile inside its fair comparison set

1,400Raw benchmark valueCI 1,382 - 1,417

Text Arena · Spanish

AR · Multilingual · Human

Observed user preference in Arena's Text Arena spanish leaderboard.

Rank #51 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,426
Percentile: 76.6%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: spanish. Source rank: #64. Votes: 244. Organization: xai. License: Proprietary.

76.6% percentile inside its fair comparison set

1,426Raw benchmark valueCI 1,387 - 1,465

Text Arena · Chinese · No Style Control

AR · Multilingual · Human

Observed user preference in Arena's Text Arena chinese leaderboard.

Rank #37 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,476
Percentile: 87.8%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: chinese. Source rank: #47. Votes: 357. Organization: xai. License: Proprietary.

87.8% percentile inside its fair comparison set

1,476Raw benchmark valueCI 1,443 - 1,508

Text Arena · French · No Style Control

AR · Multilingual · Human

Observed user preference in Arena's Text Arena french leaderboard.

Rank #60 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,435
Percentile: 72.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: french. Source rank: #73. Votes: 266. Organization: xai. License: Proprietary.

72.7% percentile inside its fair comparison set

1,435Raw benchmark valueCI 1,399 - 1,471

Text Arena · German · No Style Control

AR · Multilingual · Human

Observed user preference in Arena's Text Arena german leaderboard.

Rank #84 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,386
Percentile: 65%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: german. Source rank: #101. Votes: 349. Organization: xai. License: Proprietary.

65% percentile inside its fair comparison set

1,386Raw benchmark valueCI 1,355 - 1,417

Text Arena · Japanese · No Style Control

AR · Multilingual · Human

Observed user preference in Arena's Text Arena japanese leaderboard.

Rank #65 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,353
Percentile: 68.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: japanese. Source rank: #82. Votes: 177. Organization: xai. License: Proprietary.

68.5% percentile inside its fair comparison set

1,353Raw benchmark valueCI 1,308 - 1,398

Text Arena · Korean · No Style Control

AR · Multilingual · Human

Observed user preference in Arena's Text Arena korean leaderboard.

Rank #80 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,354
Percentile: 62%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: korean. Source rank: #97. Votes: 341. Organization: xai. License: Proprietary.

62% percentile inside its fair comparison set

1,354Raw benchmark valueCI 1,322 - 1,386

Text Arena · Russian · No Style Control

AR · Multilingual · Human

Observed user preference in Arena's Text Arena russian leaderboard.

Rank #87 · Source label: grok-4-fast-reasoning

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,390
Percentile: 70.2%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-reasoning`. Category: russian. Source rank: #107. Votes: 1038. Organization: xai. License: Proprietary.

70.2% percentile inside its fair comparison set

1,390Raw benchmark valueCI 1,373 - 1,408

Text Arena · Spanish · No Style Control

AR · Multilingual · Human

Observed user preference in Arena's Text Arena spanish leaderboard.

Rank #55 · Source label: grok-4-fast-chat

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,421
Percentile: 74.8%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `grok-4-fast-chat`. Category: spanish. Source rank: #68. Votes: 244. Organization: xai. License: Proprietary.

74.8% percentile inside its fair comparison set

1,421Raw benchmark valueCI 1,382 - 1,460