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Gemini 3.1 Pro Preview vs GPT-5.2

Head to head on 29 shared benchmarks, with price, context window, and release dates.

Benchmark scores

62

evals · sort by any column, ⤢ to expand fullscreen

Model
Gemini 3.1 Pro Preview

Google (Alphabet Inc.)

64.5%22.0%73.1%22.8%1489elo68.236.9%94.1%47.0%77.1%84.4%82.4%76.5%78.5%79.1%85.4%91.0%84.0%86.3%59.1%76.1%69.4%26.0%48.7%58.9%72.9%53.8%32.0%95.6%--76.8%12.3%-26.5%--21142elo43.0%42.5%16.7%1314elo93.2%15.1%--0.0%----76.2%-72.7%--54.2%70.7%79.441.9%56.1%58.9%
GPT-5.2

OpenAI

65.9%60.0%40.6%9.4%1699elo71.640.7%71.2%8.0%47.4%79.0%78.7%76.1%78.2%61.8%79.8%93.2%83.2%72.0%49.7%84.4%67.1%15.0%49.3%40.4%75.8%31.8%53.5%46.5%51.0%100--100.0%-0.0%16.7%--------12.9385.0%-66.9%24.0%81.4%96.7-18.7%-66.7%71.8%-----56.3%
2 / 2 models
AttributeGemini 3.1 Pro Preview

Google (Alphabet Inc.)

GPT-5.2

OpenAI

DescriptionGemini 3.1 Pro Preview is an AI model from Google (Alphabet Inc.).GPT-5.2 is an AI model from OpenAI.
FamilyGeminiGPT
Params--
Open weights-closed
License-proprietary
Released19 Feb 202611 Dec 2025
Context1,048,576400,000
Input $/1M$2.00$1.75
Output $/1M$12.00$14.00
Cache read $/1M$0.200$0.175
Cache write $/1M$0.375-
Speed122 tok/s0 tok/s
Latency20.68 s0.00 s
Modalitiesaudio, file, image, text, videofile, image, text
Providers--
PublisherGoogle (Alphabet Inc.)OpenAI
Reported scores

FAQ

Is Gemini 3.1 Pro Preview or GPT-5.2 better?
Across the 29 benchmarks both models report on Sophon, Gemini 3.1 Pro Preview leads on 19 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do Gemini 3.1 Pro Preview and GPT-5.2 compare on GPQA Diamond?
Gemini 3.1 Pro Preview scores 94.1% and GPT-5.2 scores 71.2% on GPQA Diamond.
Which is cheaper, Gemini 3.1 Pro Preview or GPT-5.2?
Gemini 3.1 Pro Preview is cheaper at $12.00 per million output tokens against $14.00 for GPT-5.2 - about 1.2x.
When were Gemini 3.1 Pro Preview and GPT-5.2 released?
Gemini 3.1 Pro Preview was released 19 Feb 2026 by Google (Alphabet Inc.). GPT-5.2 was released 11 Dec 2025 by OpenAI.

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