Model vs model

GPT-5.5 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 · GPT-5.5
Sources · All public sources

Winner

GPT-5.5

OpenAI

17benchmarks won

Professional reasoning

Versus · Everyday chatbot

GPT-5.5 leads this compare set for everyday chatbot.

GPT-5.517 of 17 wins

Verified but aging

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

Model vs model

GPT-5.5 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 · GPT-5.5
Sources · All public sources

Winner

GPT-5.5

OpenAI

17benchmarks won

Professional reasoning

Versus · Everyday chatbot

GPT-5.5 leads this compare set for everyday chatbot.

GPT-5.517 of 17 wins

Verified but aging

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


Intelligence Index AA · index Text · Chat / text	3687% exact aliasverified runtime Row details Raw value 36 Percentile 87% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label GPT-5.5 (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	95.87s4.9% exact aliasverified runtime Row details Raw value 95.87s Percentile 4.9% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label GPT-5.5 (xhigh) Source row	2.11sn/a exact aliasverified runtimeContext only Row details Raw value 2.11s 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
Coding Index AA · index Code · Coding	5677.1% exact aliasverified runtime Row details Raw value 56 Percentile 77.1% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label GPT-5.5 (Non-reasoning) Source row	59n/a exact aliasverified runtimeContext only Row details Raw value 59 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
Agentic Index AA · index Code · Coding	2658.2% exact aliasverified runtime Row details Raw value 26 Percentile 58.2% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label GPT-5.5 (Non-reasoning) Source row	25n/a exact aliasverified runtimeContext only Row details Raw value 25 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	69.5 tokens/s36.2% exact aliasverified runtime Row details Raw value 69.5 tokens/s Percentile 36.2% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label GPT-5.5 (Non-reasoning) Source row	128.9 tokens/sn/a exact aliasverified runtimeContext only Row details Raw value 128.9 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	95.87s5.8% exact aliasverified runtime Row details Raw value 95.87s Percentile 5.8% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label GPT-5.5 (xhigh) Source row	17.63sn/a exact aliasverified runtimeContext only Row details Raw value 17.63s 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	$11.3 /1M tokens4.7% exact aliasverified runtime Row details Raw value $11.3 /1M tokens Percentile 4.7% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label GPT-5.5 (low) 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	$5 /1M input tokens8% exact aliasverified runtime Row details Raw value $5 /1M input tokens Percentile 8% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label GPT-5.5 (low) 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	$30 /1M output tokens4.7% exact aliasverified runtime Row details Raw value $30 /1M output tokens Percentile 4.7% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label GPT-5.5 (low) 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	76.8%72.3% exact aliasverified runtime Row details Raw value 76.8% Percentile 72.3% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label GPT-5.5 (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	13.7%75.3% exact aliasverified runtime Row details Raw value 13.7% Percentile 75.3% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label GPT-5.5 (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	1.4%81.4% exact aliasverified runtime Row details Raw value 1.4% Percentile 81.4% Last updated recent Eligibility headline eligible Identity provider alias (0.94) Source label GPT-5.5 (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

Intelligence Index

AA · index

Text · Chat / text

3687%

exact aliasverified runtime

Row details

Raw value: 36
Percentile: 87%
Last updated: recent
Eligibility: headline eligible
Identity: provider alias (0.94)
Source label: GPT-5.5 (Non-reasoning)

GPT-5.5 vs Agnes 2.5 Pro Alpha

GPT-5.5

GPT-5.5 leads this compare set for everyday chatbot.

Loading model comparison.

GPT-5.5 vs Agnes 2.5 Pro Alpha

GPT-5.5

GPT-5.5 leads this compare set for everyday chatbot.

Agnes 2.5 Pro Alpha

GPT-5.5 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