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Gemini 2.5 Pro vs GPT-5

Head to head on 24 shared benchmarks, with price, context window, and release dates.

Benchmark scores

71

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Model
Gemini 2.5 Pro

Google (Alphabet Inc.)

83.1%88.7%87.7%60.8%45.2%1419elo58.814.1%84.4%22.5%48.7%80.1%96.7%50.6%73.6%86.2%68.9%41.9%42.8%53.6%72.9%26.5%0.4%54.1%--50.4%-----15.9%----------77.9%86.7%81.0%65.9%----------70.0%----55.6-------53.3%59.5%
GPT-5

OpenAI

88.0%94.6%48.3%61.1%57.7%1623elo72.832.4%68.6%6.6%45.0%54.3%86.1%49.6%83.7%82.0%65.5%43.7%37.8%74.4%73.4%12.9%20.1%0.0%46.7%91.1%-0.0%0.150.0%68.1%4.58-80.0%80.0%91.7%0.0%88.9%83.3%100.0%48.9%83.4%58.2%----37.5%0.521.62100.0%0.0%92.7%92.7%93.3%10.0%0.0%-60.0%0.260.0%18.0%-74.9%2.3487.5%0.8654.8%90.0%90.0%-56.7%
2 / 2 models
AttributeGemini 2.5 Pro

Google (Alphabet Inc.)

GPT-5

OpenAI

DescriptionGemini 2.5 Pro is an AI model from Google (Alphabet Inc.).OpenAI's August 2025 unified frontier model that auto-routes between a fast model and a deeper "thinking" variant.
FamilyGeminiGPT 5
Params-Undisclosed (closed)
Open weightsclosedclosed
LicenseproprietaryProprietary
Released5 Jun 20257 Aug 2025
Context1,048,576400,000
Input $/1M$1.25-
Output $/1M$10.00-
Cache read $/1M$0.125$0.125
Cache write $/1M$0.375-
Speed0 tok/s0 tok/s
Latency0.00 s0.00 s
Modalitiestext, image, file, audio, videotext, image, file
Providers-openai
PublisherGoogle (Alphabet Inc.)OpenAI
Reported scores

FAQ

Is Gemini 2.5 Pro or GPT-5 better?
Across the 24 benchmarks both models report on Sophon, Gemini 2.5 Pro and GPT-5 are level, winning 12 each. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do Gemini 2.5 Pro and GPT-5 compare on GPQA Diamond?
Gemini 2.5 Pro scores 84.4% and GPT-5 scores 68.6% on GPQA Diamond.
When were Gemini 2.5 Pro and GPT-5 released?
Gemini 2.5 Pro was released 5 Jun 2025 by Google (Alphabet Inc.). GPT-5 was released 7 Aug 2025 by OpenAI.

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