Model vs model

Grok 4.20 vs Agnes 2.5 Pro Alpha

A debate-ready pair page: current winner, strongest alternative, decisive benchmarks, and the warning that should travel with the claim.

Use case · Everyday chatbot
Winner · Grok 4.20
Sources · All public sources

Winner

Grok 4.20

xAI

14benchmarks won

Reasoning / math / science
Coding

Versus · Everyday chatbot

Grok 4.20 leads this compare set for everyday chatbot.

Grok 4.2014 of 14 wins

Thin verified coverage

0 shared benchmarks are still too close to call, so the win stays conditional. This compare uses all public sources, with provider-official evidence labeled separately.

Close calls: 0
Sources: All public

Full compare workspace Disagreement page

100%win share

Challenger

Agnes 2.5 Pro Alpha

Unknown

0benchmarks won

Reasoning / math / science

The cases in full

Grok 4.20 case

Reasoning / math / science
Coding

Agnes 2.5 Pro Alpha case

Reasoning / math / science

What changes the outcome

Grok 4.20: 80 visible benchmark gaps still leave room for the result to move.
Agnes 2.5 Pro Alpha: 121 visible benchmark gaps still leave room for the result to move.

Why this result is surprising

The visible shared evidence is more decisive than usual for this compare set.
Very few shared benchmarks are decisively separating these models.

Why this is not a clean win

0 shared benchmarks are still too close to call, so the win stays conditional. This compare uses all public sources, with provider-official evidence labeled separately.
Agnes 2.5 Pro Alpha remains the strongest alternative once you change use case, mode, or missing-evidence assumptions.

Open full compare workspace Open evidence page Open disagreement page

Decisive benchmarks

14 of 138 benchmarks


Intelligence Index AA · index Text · Chat / text	2269% exact aliasverified runtime Row details Raw value 22 Percentile 69% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label Grok 4.20 0309 v2 (Non-reasoning) Source row	40n/a exact aliasverified runtimeContext only Row details Raw value 40 Percentile n/a Last updated recent Eligibility preview_model Identity provider alias (0.94) Source label Agnes 2.5 Pro Alpha Source row	n/a
Time to first token AA · s Text · Chat / text	22.33s10.3% exact aliasverified runtime Row details Raw value 22.33s Percentile 10.3% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label Grok 4.20 0309 v2 (Reasoning) Source row	2.09sn/a exact aliasverified runtimeContext only Row details Raw value 2.09s Percentile n/a Last updated recent Eligibility preview_model Identity provider alias (0.94) Source label Agnes 2.5 Pro Alpha Source row	n/a
Output Speed AA · tokens/s Text · Chat / text	87.2 tokens/s47.3% exact aliasverified runtime Row details Raw value 87.2 tokens/s Percentile 47.3% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label Grok 4.20 0309 v2 (Non-reasoning) Source row	132 tokens/sn/a exact aliasverified runtimeContext only Row details Raw value 132 tokens/s Percentile n/a Last updated recent Eligibility preview_model Identity provider alias (0.94) Source label Agnes 2.5 Pro Alpha Source row	n/a
Time to first answer token AA · s Text · Chat / text	22.33s37.1% exact aliasverified runtime Row details Raw value 22.33s Percentile 37.1% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label Grok 4.20 0309 v2 (Reasoning) Source row	17.24sn/a exact aliasverified runtimeContext only Row details Raw value 17.24s Percentile n/a Last updated recent Eligibility preview_model Identity provider alias (0.94) Source label Agnes 2.5 Pro Alpha Source row	n/a
Blended price AA · /1M tokens Text · Chat / text	$3 /1M tokens23.6% exact aliasverified runtime Row details Raw value $3 /1M tokens Percentile 23.6% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label Grok 4.20 0309 (Reasoning) Source row	$0.6 /1M tokensn/a exact aliasverified runtimeContext only Row details Raw value $0.6 /1M tokens Percentile n/a Last updated recent Eligibility preview_model Identity provider alias (0.94) Source label Agnes 2.5 Pro Alpha Source row	n/a
Input price AA · /1M input tokens Text · Chat / text	$2 /1M input tokens20.6% exact aliasverified runtime Row details Raw value $2 /1M input tokens Percentile 20.6% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label Grok 4.20 0309 (Reasoning) Source row	$0.5 /1M input tokensn/a exact aliasverified runtimeContext only Row details Raw value $0.5 /1M input tokens Percentile n/a Last updated recent Eligibility preview_model Identity provider alias (0.94) Source label Agnes 2.5 Pro Alpha Source row	n/a
Output price AA · /1M output tokens Text · Chat / text	$6 /1M output tokens24.9% exact aliasverified runtime Row details Raw value $6 /1M output tokens Percentile 24.9% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label Grok 4.20 0309 (Reasoning) Source row	$0.9 /1M output tokensn/a exact aliasverified runtimeContext only Row details Raw value $0.9 /1M output tokens Percentile n/a Last updated recent Eligibility preview_model Identity provider alias (0.94) Source label Agnes 2.5 Pro Alpha Source row	n/a
GPQA AA · % Text · Reasoning / math / science	77.6%73.8% exact aliasverified runtime Row details Raw value 77.6% Percentile 73.8% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label Grok 4.20 0309 v2 (Non-reasoning) Source row	87.6%n/a exact aliasverified runtimeContext only Row details Raw value 87.6% Percentile n/a Last updated recent Eligibility preview_model Identity provider alias (0.94) Source label Agnes 2.5 Pro Alpha Source row	n/a
Humanity's Last Exam AA · % Text · Reasoning / math / science	27.9%88.7% exact aliasverified runtime Row details Raw value 27.9% Percentile 88.7% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label Grok 4.20 0309 v2 (Non-reasoning) Source row	33.6%n/a exact aliasverified runtimeContext only Row details Raw value 33.6% Percentile n/a Last updated recent Eligibility preview_model Identity provider alias (0.94) Source label Agnes 2.5 Pro Alpha Source row	n/a
CritPt AA · % Text · Reasoning / math / science	0.3%70% exact aliasverified runtime Row details Raw value 0.3% Percentile 70% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label Grok 4.20 0309 v2 (Non-reasoning) Source row	10.9%n/a exact aliasverified runtimeContext only Row details Raw value 10.9% Percentile n/a Last updated recent Eligibility preview_model Identity provider alias (0.94) Source label Agnes 2.5 Pro Alpha Source row	n/a
SciCode AA · % Code · Coding	32.8%54.3% exact aliasverified runtime Row details Raw value 32.8% Percentile 54.3% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label Grok 4.20 0309 v2 (Non-reasoning) Source row	42.2%n/a exact aliasverified runtimeContext only Row details Raw value 42.2% Percentile n/a Last updated recent Eligibility preview_model Identity provider alias (0.94) Source label Agnes 2.5 Pro Alpha Source row	n/a
AA-Omniscience accuracy AA · % Text · Chat / text	26.7%79.2% exact aliasverified runtime Row details Raw value 26.7% Percentile 79.2% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label Grok 4.20 0309 v2 (Non-reasoning) Source row	33.5%n/a exact aliasverified runtimeContext only Row details Raw value 33.5% Percentile n/a Last updated recent Eligibility preview_model Identity provider alias (0.94) Source label Agnes 2.5 Pro Alpha Source row	n/a

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Intelligence Index

AA · index

Text · Chat / text

2269%

exact aliasverified runtime

Row details

Raw value: 22
Percentile: 69%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: Grok 4.20 0309 v2 (Non-reasoning)

Source row

40n/a

exact aliasverified runtimeContext only

Row details

Raw value: 40
Percentile: n/a
Last updated: recent
Eligibility: preview_model
Identity: provider alias (0.94)
Source label: Agnes 2.5 Pro Alpha

Source row

n/a

Time to first token

AA · s

Text · Chat / text

22.33s10.3%

exact aliasverified runtime

Row details

Raw value: 22.33s
Percentile: 10.3%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: Grok 4.20 0309 v2 (Reasoning)

Source row

2.09sn/a

exact aliasverified runtimeContext only

Row details

Raw value: 2.09s
Percentile: n/a
Last updated: recent
Eligibility: preview_model
Identity: provider alias (0.94)
Source label: Agnes 2.5 Pro Alpha

Source row

n/a

Output Speed

AA · tokens/s

Text · Chat / text

87.2 tokens/s47.3%

exact aliasverified runtime

Row details

Raw value: 87.2 tokens/s
Percentile: 47.3%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: Grok 4.20 0309 v2 (Non-reasoning)

Source row

132 tokens/sn/a

exact aliasverified runtimeContext only

Row details

Raw value: 132 tokens/s
Percentile: n/a
Last updated: recent
Eligibility: preview_model
Identity: provider alias (0.94)
Source label: Agnes 2.5 Pro Alpha

Source row

n/a

Time to first answer token

AA · s

Text · Chat / text

22.33s37.1%

exact aliasverified runtime

Row details

Raw value: 22.33s
Percentile: 37.1%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: Grok 4.20 0309 v2 (Reasoning)

Source row

17.24sn/a

exact aliasverified runtimeContext only

Row details

Raw value: 17.24s
Percentile: n/a
Last updated: recent
Eligibility: preview_model
Identity: provider alias (0.94)
Source label: Agnes 2.5 Pro Alpha

Source row

n/a

Blended price

AA · /1M tokens

Text · Chat / text

$3 /1M tokens23.6%

exact aliasverified runtime

Row details

Raw value: $3 /1M tokens
Percentile: 23.6%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: Grok 4.20 0309 (Reasoning)

Source row

$0.6 /1M tokensn/a

exact aliasverified runtimeContext only

Row details

Raw value: $0.6 /1M tokens
Percentile: n/a
Last updated: recent
Eligibility: preview_model
Identity: provider alias (0.94)
Source label: Agnes 2.5 Pro Alpha

Source row

n/a

Input price

AA · /1M input tokens

Text · Chat / text

$2 /1M input tokens20.6%

exact aliasverified runtime

Row details

Raw value: $2 /1M input tokens
Percentile: 20.6%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: Grok 4.20 0309 (Reasoning)

Source row

$0.5 /1M input tokensn/a

exact aliasverified runtimeContext only

Row details

Raw value: $0.5 /1M input tokens
Percentile: n/a
Last updated: recent
Eligibility: preview_model
Identity: provider alias (0.94)
Source label: Agnes 2.5 Pro Alpha

Source row

n/a

Output price

AA · /1M output tokens

Text · Chat / text

$6 /1M output tokens24.9%

exact aliasverified runtime

Row details

Raw value: $6 /1M output tokens
Percentile: 24.9%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: Grok 4.20 0309 (Reasoning)

Source row

$0.9 /1M output tokensn/a

exact aliasverified runtimeContext only

Row details

Raw value: $0.9 /1M output tokens
Percentile: n/a
Last updated: recent
Eligibility: preview_model
Identity: provider alias (0.94)
Source label: Agnes 2.5 Pro Alpha

Source row

n/a

GPQA

AA · %

Text · Reasoning / math / science

77.6%73.8%

exact aliasverified runtime

Row details

Raw value: 77.6%
Percentile: 73.8%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: Grok 4.20 0309 v2 (Non-reasoning)

Source row

87.6%n/a

exact aliasverified runtimeContext only

Row details

Raw value: 87.6%
Percentile: n/a
Last updated: recent
Eligibility: preview_model
Identity: provider alias (0.94)
Source label: Agnes 2.5 Pro Alpha

Source row

n/a

Humanity's Last Exam

AA · %

Text · Reasoning / math / science

27.9%88.7%

exact aliasverified runtime

Row details

Raw value: 27.9%
Percentile: 88.7%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: Grok 4.20 0309 v2 (Non-reasoning)

Source row

33.6%n/a

exact aliasverified runtimeContext only

Row details

Raw value: 33.6%
Percentile: n/a
Last updated: recent
Eligibility: preview_model
Identity: provider alias (0.94)
Source label: Agnes 2.5 Pro Alpha

Source row

n/a

CritPt

AA · %

Text · Reasoning / math / science

0.3%70%

exact aliasverified runtime

Row details

Raw value: 0.3%
Percentile: 70%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: Grok 4.20 0309 v2 (Non-reasoning)

Source row

10.9%n/a

exact aliasverified runtimeContext only

Row details

Raw value: 10.9%
Percentile: n/a
Last updated: recent
Eligibility: preview_model
Identity: provider alias (0.94)
Source label: Agnes 2.5 Pro Alpha

Source row

n/a

SciCode

AA · %

Code · Coding

32.8%54.3%

exact aliasverified runtime

Row details

Raw value: 32.8%
Percentile: 54.3%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: Grok 4.20 0309 v2 (Non-reasoning)

Source row

42.2%n/a

exact aliasverified runtimeContext only

Row details

Raw value: 42.2%
Percentile: n/a
Last updated: recent
Eligibility: preview_model
Identity: provider alias (0.94)
Source label: Agnes 2.5 Pro Alpha

Source row

n/a

AA-Omniscience accuracy

AA · %

Text · Chat / text

26.7%79.2%

exact aliasverified runtime

Row details

Raw value: 26.7%
Percentile: 79.2%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: Grok 4.20 0309 v2 (Non-reasoning)

Source row

33.5%n/a

exact aliasverified runtimeContext only

Row details

Raw value: 33.5%
Percentile: n/a
Last updated: recent
Eligibility: preview_model
Identity: provider alias (0.94)
Source label: Agnes 2.5 Pro Alpha

Source row

n/a

Grok 4.20 vs Agnes 2.5 Pro Alpha

Grok 4.20

Grok 4.20 leads this compare set for everyday chatbot.

Agnes 2.5 Pro Alpha

Grok 4.20 case

Agnes 2.5 Pro Alpha case

What changes the outcome

Why this result is surprising

Why this is not a clean win

Share the recommendation with the source data attached.

Open or copy the stable surfaces

Use the exact public framing

Pick the voice before you post

Compose a post that keeps the warning attached

Decisive benchmarks

Loading model comparison.

Grok 4.20 vs Agnes 2.5 Pro Alpha

Grok 4.20

Grok 4.20 leads this compare set for everyday chatbot.

Agnes 2.5 Pro Alpha

Grok 4.20 case

Agnes 2.5 Pro Alpha case

What changes the outcome

Why this result is surprising

Why this is not a clean win

Share the recommendation with the source data attached.

Open or copy the stable surfaces

Use the exact public framing

Pick the voice before you post

Compose a post that keeps the warning attached

Decisive benchmarks