Model profile · Anthropic

claude-opus-5-max

Closed weightsmid · registry tag 2026 benchmark-derived

Thin verified coverage

Reads as thin verified coverage across the resolved source data. Capability fit excludes speed and cost.

Visible coverage: 2.1%
Verified coverage: 2.1%
Spread: 31.2%
Last verified: Oct 3, 2026

81%capability fit

textcode2 aliases34 official source links

Open compare

Data version

Current snapshot.

Published Oct 3, 2026Model list checked4 stale sources105 claim warnings9 providers · 1334 tracked models

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

Source-linked scores by benchmark

Each row keeps the benchmark source, source type, raw metric, and percentile inside its fair comparison set. Capability summaries exclude archived categories, speed, and cost; those rows remain below.

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

Chat / text18 benchmarks96.5%

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 #14

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,489
Percentile: 96.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: overall. Source rank: #14. Votes: 28937. Organization: anthropic. License: Proprietary.

96.5% percentile inside its fair comparison set

1,489Raw benchmark valueCI 1,485 - 1,494

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 #15

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,471
Percentile: 96.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: creative_writing. Source rank: #15. Votes: 6526. Organization: anthropic. License: Proprietary.

96.3% percentile inside its fair comparison set

1,471Raw benchmark valueCI 1,462 - 1,479

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 #20

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,491
Percentile: 94.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: english. Source rank: #20. Votes: 11702. Organization: anthropic. License: Proprietary.

94.9% percentile inside its fair comparison set

1,491Raw benchmark valueCI 1,484 - 1,497

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 #14

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,503
Percentile: 96.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: exclude_ties. Source rank: #14. Votes: 21814. Organization: anthropic. License: Proprietary.

96.5% percentile inside its fair comparison set

1,503Raw benchmark valueCI 1,497 - 1,510

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 #13

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,514
Percentile: 96.8%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: hard_prompts. Source rank: #13. Votes: 18823. Organization: anthropic. License: Proprietary.

96.8% percentile inside its fair comparison set

1,514Raw benchmark valueCI 1,509 - 1,520

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 #15

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,512
Percentile: 96.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: hard_prompts_english. Source rank: #15. Votes: 7522. Organization: anthropic. License: Proprietary.

96.3% percentile inside its fair comparison set

1,512Raw benchmark valueCI 1,505 - 1,520

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 #10

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,493
Percentile: 97.6%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: instruction_following. Source rank: #10. Votes: 10126. Organization: anthropic. License: Proprietary.

97.6% percentile inside its fair comparison set

1,493Raw benchmark valueCI 1,486 - 1,500

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 #14

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,500
Percentile: 96.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: longer_query. Source rank: #14. Votes: 13751. Organization: anthropic. License: Proprietary.

96.3% percentile inside its fair comparison set

1,500Raw benchmark valueCI 1,493 - 1,506

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 #28

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,487
Percentile: 92.8%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: multi_turn. Source rank: #28. Votes: 4395. Organization: anthropic. License: Proprietary.

92.8% percentile inside its fair comparison set

1,487Raw benchmark valueCI 1,477 - 1,496

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 #4

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,507
Percentile: 99.2%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: overall. Source rank: #4. Votes: 28937. Organization: anthropic. License: Proprietary.

99.2% percentile inside its fair comparison set

1,507Raw benchmark valueCI 1,502 - 1,512

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 #6

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,491
Percentile: 98.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: creative_writing. Source rank: #6. Votes: 6526. Organization: anthropic. License: Proprietary.

98.7% percentile inside its fair comparison set

1,491Raw benchmark valueCI 1,482 - 1,499

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 #5

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,505
Percentile: 98.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: english. Source rank: #5. Votes: 11702. Organization: anthropic. License: Proprietary.

98.9% percentile inside its fair comparison set

1,505Raw benchmark valueCI 1,498 - 1,511

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 #4

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,524
Percentile: 99.2%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: exclude_ties. Source rank: #4. Votes: 21814. Organization: anthropic. License: Proprietary.

99.2% percentile inside its fair comparison set

1,524Raw benchmark valueCI 1,518 - 1,531

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 #4

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,526
Percentile: 99.2%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: hard_prompts. Source rank: #4. Votes: 18823. Organization: anthropic. License: Proprietary.

99.2% percentile inside its fair comparison set

1,526Raw benchmark valueCI 1,521 - 1,532

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 #5

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,523
Percentile: 98.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: hard_prompts_english. Source rank: #5. Votes: 7522. Organization: anthropic. License: Proprietary.

98.9% percentile inside its fair comparison set

1,523Raw benchmark valueCI 1,515 - 1,531

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 #5

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,516
Percentile: 98.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: instruction_following. Source rank: #5. Votes: 10126. Organization: anthropic. License: Proprietary.

98.9% percentile inside its fair comparison set

1,516Raw benchmark valueCI 1,509 - 1,523

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 #6

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,514
Percentile: 98.6%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: longer_query. Source rank: #6. Votes: 13751. Organization: anthropic. License: Proprietary.

98.6% percentile inside its fair comparison set

1,514Raw benchmark valueCI 1,508 - 1,521

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 #9

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,500
Percentile: 97.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: multi_turn. Source rank: #9. Votes: 4395. Organization: anthropic. License: Proprietary.

97.9% percentile inside its fair comparison set

1,500Raw benchmark valueCI 1,490 - 1,509

Coding7 benchmarks80.3%

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 #21

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,530
Percentile: 94.6%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: coding. Source rank: #21. Votes: 7382. Organization: anthropic. License: Proprietary.

94.6% percentile inside its fair comparison set

1,530Raw benchmark valueCI 1,522 - 1,538

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 #6

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,534
Percentile: 98.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: coding. Source rank: #6. Votes: 7382. Organization: anthropic. License: Proprietary.

98.7% percentile inside its fair comparison set

1,534Raw benchmark valueCI 1,526 - 1,542

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 #7

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,695
Percentile: 95.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: overall. Source rank: #7. Votes: 16954. Organization: anthropic. License: Proprietary.

95.3% percentile inside its fair comparison set

1,695Raw benchmark valueCI 1,689 - 1,701

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 #6

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,682
Percentile: 96%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: webdev-html. Source rank: #6. Votes: 2019. Organization: anthropic. License: Proprietary.

96% percentile inside its fair comparison set

1,682Raw benchmark valueCI 1,666 - 1,698

Code Arena · Webdev React

AR · Coding · Human

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

Rank #7

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,717
Percentile: 94.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: webdev-react. Source rank: #7. Votes: 11233. Organization: anthropic. License: Proprietary.

94.7% percentile inside its fair comparison set

1,717Raw benchmark valueCI 1,710 - 1,725

Code Arena · Image To Webdev

AR · Coding · Human

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

Rank #3

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,665
Percentile: 95.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: image_to_webdev. Source rank: #3. Votes: 2490. Organization: anthropic. License: Proprietary.

95.5% percentile inside its fair comparison set

1,665Raw benchmark valueCI 1,652 - 1,678

Terminal-Bench 4.0

TERMINAL-BENCH · Coding · Objective

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

Rank #10 · Source label: Opus 5 (max)

verified runtimeexact direct

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Terminal-Bench
Raw value: 51.8%
Percentile: 65.4%
Last updated: aging
Eligibility: headline eligible

Parsed from the public Terminal-Bench 4.0 official published leaderboard (status: display). Collapse policy: highest verified score per canonical model. Selected agent: Claude Code. Display model: Opus 5. Agent URL: https://claude.com/product/claude-code. Reported stderr: 1.730 percentage points.

65.4% percentile inside its fair comparison set

51.8%Raw benchmark valueCI 48.4% - 55.2%

Reasoning / math / science2 benchmarksn/a

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 #7

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,516
Percentile: 98.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: math. Source rank: #7. Votes: 1337. Organization: anthropic. License: Proprietary.

98.3% percentile inside its fair comparison set

1,516Raw benchmark valueCI 1,499 - 1,532

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 #2

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,531
Percentile: 99.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: math. Source rank: #2. Votes: 1337. Organization: anthropic. License: Proprietary.

99.7% percentile inside its fair comparison set

1,531Raw benchmark valueCI 1,514 - 1,547

Professional reasoning18 benchmarksn/a

Text Arena · Expert

AR · Professional reasoning · Human

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

Rank #14

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,530
Percentile: 96%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: expert. Source rank: #14. Votes: 3128. Organization: anthropic. License: Proprietary.

96% percentile inside its fair comparison set

1,530Raw benchmark valueCI 1,518 - 1,541

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 #19

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,484
Percentile: 95.1%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: industry_business_and_management_and_financial_operations. Source rank: #20. Votes: 5469. Organization: anthropic. License: Proprietary.

95.1% percentile inside its fair comparison set

1,484Raw benchmark valueCI 1,475 - 1,493

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 #18

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,461
Percentile: 95.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: industry_entertainment_and_sports_and_media. Source rank: #18. Votes: 7710. Organization: anthropic. License: Proprietary.

95.5% percentile inside its fair comparison set

1,461Raw benchmark valueCI 1,453 - 1,469

Text Arena · Industry Legal And Government

AR · Professional reasoning · Human

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

Rank #10

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,503
Percentile: 97.4%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: industry_legal_and_government. Source rank: #10. Votes: 2507. Organization: anthropic. License: Proprietary.

97.4% percentile inside its fair comparison set

1,503Raw benchmark valueCI 1,490 - 1,515

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 #15

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,512
Percentile: 96.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: industry_life_and_physical_and_social_science. Source rank: #15. Votes: 4866. Organization: anthropic. License: Proprietary.

96.3% percentile inside its fair comparison set

1,512Raw benchmark valueCI 1,503 - 1,521

Text Arena · Industry Mathematical

AR · Professional reasoning · Human

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

Rank #7

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,518
Percentile: 98.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: industry_mathematical. Source rank: #7. Votes: 1607. Organization: anthropic. License: Proprietary.

98.3% percentile inside its fair comparison set

1,518Raw benchmark valueCI 1,502 - 1,533

Text Arena · Industry Medicine And Healthcare

AR · Professional reasoning · Human

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

Rank #13

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,506
Percentile: 96.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: industry_medicine_and_healthcare. Source rank: #13. Votes: 2188. Organization: anthropic. License: Proprietary.

96.5% percentile inside its fair comparison set

1,506Raw benchmark valueCI 1,492 - 1,519

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 #24

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,516
Percentile: 93.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: industry_software_and_it_services. Source rank: #24. Votes: 10647. Organization: anthropic. License: Proprietary.

93.9% percentile inside its fair comparison set

1,516Raw benchmark valueCI 1,509 - 1,522

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 #15

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,480
Percentile: 96.3%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: industry_writing_and_literature_and_language. Source rank: #15. Votes: 8289. Organization: anthropic. License: Proprietary.

96.3% percentile inside its fair comparison set

1,480Raw benchmark valueCI 1,472 - 1,488

Text Arena · Expert · No Style Control

AR · Professional reasoning · Human

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

Rank #2

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,551
Percentile: 99.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: expert. Source rank: #2. Votes: 3128. Organization: anthropic. License: Proprietary.

99.7% percentile inside its fair comparison set

1,551Raw benchmark valueCI 1,540 - 1,563

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 #2

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,501
Percentile: 99.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: industry_business_and_management_and_financial_operations. Source rank: #2. Votes: 5469. Organization: anthropic. License: Proprietary.

99.7% percentile inside its fair comparison set

1,501Raw benchmark valueCI 1,492 - 1,510

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 #7

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,479
Percentile: 98.4%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: industry_entertainment_and_sports_and_media. Source rank: #7. Votes: 7710. Organization: anthropic. License: Proprietary.

98.4% percentile inside its fair comparison set

1,479Raw benchmark valueCI 1,471 - 1,487

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 #2

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,528
Percentile: 99.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: industry_legal_and_government. Source rank: #2. Votes: 2507. Organization: anthropic. License: Proprietary.

99.7% percentile inside its fair comparison set

1,528Raw benchmark valueCI 1,516 - 1,541

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 #3

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,530
Percentile: 99.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: industry_life_and_physical_and_social_science. Source rank: #3. Votes: 4866. Organization: anthropic. License: Proprietary.

99.5% percentile inside its fair comparison set

1,530Raw benchmark valueCI 1,520 - 1,539

Text Arena · Industry Mathematical · No Style Control

AR · Professional reasoning · Human

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

Rank #3

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,533
Percentile: 99.4%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: industry_mathematical. Source rank: #3. Votes: 1607. Organization: anthropic. License: Proprietary.

99.4% percentile inside its fair comparison set

1,533Raw benchmark valueCI 1,518 - 1,549

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 #4

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,519
Percentile: 99.1%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: industry_medicine_and_healthcare. Source rank: #4. Votes: 2188. Organization: anthropic. License: Proprietary.

99.1% percentile inside its fair comparison set

1,519Raw benchmark valueCI 1,506 - 1,532

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 #8

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,525
Percentile: 98.1%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: industry_software_and_it_services. Source rank: #8. Votes: 10647. Organization: anthropic. License: Proprietary.

98.1% percentile inside its fair comparison set

1,525Raw benchmark valueCI 1,518 - 1,532

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 #6

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,497
Percentile: 98.7%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: industry_writing_and_literature_and_language. Source rank: #6. Votes: 8289. Organization: anthropic. License: Proprietary.

98.7% percentile inside its fair comparison set

1,497Raw benchmark valueCI 1,490 - 1,505

Multilingual18 benchmarksn/a

Text Arena · Chinese

AR · Multilingual · Human

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

Rank #6

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,548
Percentile: 98.6%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: chinese. Source rank: #6. Votes: 2274. Organization: anthropic. License: Proprietary.

98.6% percentile inside its fair comparison set

1,548Raw benchmark valueCI 1,535 - 1,562

Text Arena · French

AR · Multilingual · Human

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

Rank #27

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,496
Percentile: 89.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: french. Source rank: #28. Votes: 865. Organization: anthropic. License: Proprietary.

89.9% percentile inside its fair comparison set

1,496Raw benchmark valueCI 1,474 - 1,518

Text Arena · German

AR · Multilingual · Human

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

Rank #6

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,506
Percentile: 98.2%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: german. Source rank: #6. Votes: 489. Organization: anthropic. License: Proprietary.

98.2% percentile inside its fair comparison set

1,506Raw benchmark valueCI 1,478 - 1,534

Text Arena · Japanese

AR · Multilingual · Human

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

Rank #11

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,497
Percentile: 95.9%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: japanese. Source rank: #11. Votes: 482. Organization: anthropic. License: Proprietary.

95.9% percentile inside its fair comparison set

1,497Raw benchmark valueCI 1,467 - 1,526

Text Arena · Korean

AR · Multilingual · Human

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

Rank #3

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,498
Percentile: 99.2%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: korean. Source rank: #3. Votes: 568. Organization: anthropic. License: Proprietary.

99.2% percentile inside its fair comparison set

1,498Raw benchmark valueCI 1,472 - 1,524

Text Arena · Non English

AR · Multilingual · Human

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

Rank #14

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,481
Percentile: 96.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: non_english. Source rank: #14. Votes: 17233. Organization: anthropic. License: Proprietary.

96.5% percentile inside its fair comparison set

1,481Raw benchmark valueCI 1,475 - 1,487

Text Arena · Polish

AR · Multilingual · Human

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

Rank #7

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,504
Percentile: 97%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: polish. Source rank: #7. Votes: 432. Organization: anthropic. License: Proprietary.

97% percentile inside its fair comparison set

1,504Raw benchmark valueCI 1,476 - 1,532

Text Arena · Russian

AR · Multilingual · Human

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

Rank #20

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,493
Percentile: 94.4%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: russian. Source rank: #20. Votes: 3465. Organization: anthropic. License: Proprietary.

94.4% percentile inside its fair comparison set

1,493Raw benchmark valueCI 1,482 - 1,504

Text Arena · Spanish

AR · Multilingual · Human

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

Rank #10

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,484
Percentile: 96.5%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: spanish. Source rank: #10. Votes: 803. Organization: anthropic. License: Proprietary.

96.5% percentile inside its fair comparison set

1,484Raw benchmark valueCI 1,463 - 1,506

Text Arena · Chinese · No Style Control

AR · Multilingual · Human

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

Rank #4

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,576
Percentile: 99.1%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: chinese. Source rank: #4. Votes: 2274. Organization: anthropic. License: Proprietary.

99.1% percentile inside its fair comparison set

1,576Raw benchmark valueCI 1,562 - 1,589

Text Arena · French · No Style Control

AR · Multilingual · Human

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

Rank #5

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,512
Percentile: 98.4%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: french. Source rank: #5. Votes: 865. Organization: anthropic. License: Proprietary.

98.4% percentile inside its fair comparison set

1,512Raw benchmark valueCI 1,491 - 1,534

Text Arena · German · No Style Control

AR · Multilingual · Human

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

Rank #1

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,525
Percentile: 100%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: german. Source rank: #1. Votes: 489. Organization: anthropic. License: Proprietary.

100% percentile inside its fair comparison set

1,525Raw benchmark valueCI 1,498 - 1,553

Text Arena · Japanese · No Style Control

AR · Multilingual · Human

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

Rank #4

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,511
Percentile: 98.8%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: japanese. Source rank: #4. Votes: 482. Organization: anthropic. License: Proprietary.

98.8% percentile inside its fair comparison set

1,511Raw benchmark valueCI 1,482 - 1,541

Text Arena · Korean · No Style Control

AR · Multilingual · Human

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

Rank #2

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,519
Percentile: 99.6%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: korean. Source rank: #2. Votes: 568. Organization: anthropic. License: Proprietary.

99.6% percentile inside its fair comparison set

1,519Raw benchmark valueCI 1,494 - 1,545

Text Arena · Non English · No Style Control

AR · Multilingual · Human

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

Rank #4

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,501
Percentile: 99.2%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: non_english. Source rank: #4. Votes: 17233. Organization: anthropic. License: Proprietary.

99.2% percentile inside its fair comparison set

1,501Raw benchmark valueCI 1,495 - 1,507

Text Arena · Polish · No Style Control

AR · Multilingual · Human

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

Rank #1

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,524
Percentile: 100%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: polish. Source rank: #1. Votes: 432. Organization: anthropic. License: Proprietary.

100% percentile inside its fair comparison set

1,524Raw benchmark valueCI 1,496 - 1,551

Text Arena · Russian · No Style Control

AR · Multilingual · Human

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

Rank #5

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,508
Percentile: 98.8%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: russian. Source rank: #5. Votes: 3465. Organization: anthropic. License: Proprietary.

98.8% percentile inside its fair comparison set

1,508Raw benchmark valueCI 1,497 - 1,518

Text Arena · Spanish · No Style Control

AR · Multilingual · Human

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

Rank #1

verified runtimeexact alias

Raw row drilldownsource row, percentile, last updated, eligibility

Source: Arena
Raw value: 1,517
Percentile: 100%
Last updated: recent
Eligibility: headline eligible

Parsed from Arena leaderboard dataset row `claude-opus-5-max`. Category: spanish. Source rank: #1. Votes: 803. Organization: anthropic. License: Proprietary.

100% percentile inside its fair comparison set

1,517Raw benchmark valueCI 1,496 - 1,539

Source links and registry checks

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Arena

Oct 3, 2026

claude-opus-5-max

Current snapshot.

Source-linked scores by benchmark

Source links and registry checks

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claude-opus-5-max

Current snapshot.

Source-linked scores by benchmark

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