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Gemini 3.1 Pro Preview vs GPT-5.4

Head to head on 34 shared benchmarks, with price, context window, and release dates.

Benchmark scores

53

evals · sort by any column, ⤢ to expand fullscreen

Model
GPT-5.4

OpenAI

13.1%1.4765.3%81.0%34.1%9.0%1272elo1836elo78.347.6%87.2%74.8%11.3%48.4%78.5%82.0%77.5%79.3%70.2%82.6%94.1%88.1%82.8%41.3%77.5%68.3%56.0%43.3%47.1%74.0%37.9%8067.4%36.0%-------92063-8652.2%---0.6140.8----60.3%
Gemini 3.1 Pro Preview

Google (Alphabet Inc.)

12.3%264.5%22.0%73.1%22.8%1142elo1489elo68.236.9%93.2%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%79.432.0%95.6%76.8%26.5%43.0%42.5%16.7%1314elo15.1%-0.0%--76.2%72.7%--54.2%70.7%41.9%56.1%58.9%
2 / 2 models
AttributeGemini 3.1 Pro Preview

Google (Alphabet Inc.)

GPT-5.4

OpenAI

DescriptionGemini 3.1 Pro Preview is an AI model from Google (Alphabet Inc.).GPT-5.4 is an AI model from OpenAI.
FamilyGeminiGPT
Params--
Open weights-closed
License-proprietary
Released19 Feb 20265 Mar 2026
Context1,048,5761,050,000
Input $/1M$2.00$2.50
Output $/1M$12.00$15.00
Cache read $/1M$0.200$0.250
Cache write $/1M$0.375-
Speed122 tok/s0 tok/s
Latency20.68 s0.00 s
Modalitiesaudio, file, image, text, videotext, image, file
Providers--
PublisherGoogle (Alphabet Inc.)OpenAI
Reported scores

FAQ

Is Gemini 3.1 Pro Preview or GPT-5.4 better?
Across the 34 benchmarks both models report on Sophon, Gemini 3.1 Pro Preview leads on 18 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-5.4 compare on GPQA Diamond?
Gemini 3.1 Pro Preview scores 94.1% and GPT-5.4 scores 74.8% on GPQA Diamond.
Which is cheaper, Gemini 3.1 Pro Preview or GPT-5.4?
Gemini 3.1 Pro Preview is cheaper at $12.00 per million output tokens against $15.00 for GPT-5.4 - about 1.3x.
When were Gemini 3.1 Pro Preview and GPT-5.4 released?
Gemini 3.1 Pro Preview was released 19 Feb 2026 by Google (Alphabet Inc.). GPT-5.4 was released 5 Mar 2026 by OpenAI.

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