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GPT-5 Mini vs GPT-5.2

Head to head on 32 shared benchmarks, with price, context window, and release dates.

Benchmark scores

76

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Model
GPT-5.2

OpenAI

51.0%0.0%65.9%40.6%9.4%1699elo71.640.7%71.2%8.0%47.4%78.7%76.1%78.2%61.8%79.8%93.2%83.2%66.9%49.7%84.4%81.4%67.1%15.0%49.3%40.4%66.7%71.8%75.8%31.8%53.5%46.5%-100---100.0%-16.7%---60.0%--------12.93-85.0%-79.0%-24.0%--72.0%-96.718.7%-----------56.3%
GPT-5 Mini

OpenAI

46.7%20.0%60.2%18.1%2.8%1310elo56.227.2%68.7%5.1%45.6%69.1%68.2%55.2%65.3%75.5%82.2%68.3%54.5%43.0%80.6%77.5%66.9%9.0%43.0%36.9%39.7%59.8%75.2%14.4%14.2%31.9%0.0%-0.0%1.130.0%--0.15-25.0%40.0%1.7-100.0%100.0%66.7%0.0%88.3%60.0%100.0%90.0%-47.2%-80.0%-0.0%-1.541.54-80.0%--16.8%4.950.0%9.5%0.0%86.1%0.4939.21272.1186.0%86.0%47.9%
2 / 2 models
AttributeGPT-5 Mini

OpenAI

GPT-5.2

OpenAI

DescriptionGPT-5 mini is an AI model from OpenAI.GPT-5.2 is an AI model from OpenAI.
FamilyGPTGPT
Params--
Open weightsclosedclosed
Licenseproprietaryproprietary
Released7 Aug 202511 Dec 2025
Context400,000400,000
Input $/1M$0.25$1.75
Output $/1M$2.00$14.00
Cache read $/1M$0.025$0.175
Cache write $/1M--
Speed0 tok/s0 tok/s
Latency0.00 s0.00 s
Modalitiestext, image, filefile, image, text
Providers--
PublisherOpenAIOpenAI
Reported scores

FAQ

Is GPT-5 Mini or GPT-5.2 better?
Across the 32 benchmarks both models report on Sophon, GPT-5.2 leads on 30 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do GPT-5 Mini and GPT-5.2 compare on GPQA Diamond?
GPT-5 Mini scores 68.7% and GPT-5.2 scores 71.2% on GPQA Diamond.
Which is cheaper, GPT-5 Mini or GPT-5.2?
GPT-5 Mini is cheaper at $2.00 per million output tokens against $14.00 for GPT-5.2 - about 7.0x.
When were GPT-5 Mini and GPT-5.2 released?
GPT-5 Mini was released 7 Aug 2025 by OpenAI. GPT-5.2 was released 11 Dec 2025 by OpenAI.

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