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GPT-4o-mini vs GPT-5.2

Head to head on 15 shared benchmarks, with price, context window, and release dates.

Benchmark scores

64

evals · sort by any column, ⤢ to expand fullscreen

Model
GPT-5.2

OpenAI

51.0%65.9%1699elo71.2%8.0%47.4%78.7%76.1%61.8%79.8%66.9%81.4%67.1%40.4%75.8%---100-100.0%0.0%16.7%--60.0%40.6%9.4%-71.640.7%-12.93--85.0%79.0%-78.2%93.2%83.2%24.0%-72.0%49.7%-84.4%-96.718.7%15.0%49.3%-66.7%71.8%-31.8%-53.5%----46.5%56.3%
GPT-4o-mini

OpenAI

14.7%45.5%871elo42.6%4.2%31.0%47.2%43.0%65.8%32.9%23.4%64.8%54.5%22.9%60.5%16.7%3.6%11.7%-50.7%---0.290.0%---0.0%--0.0%-1.540.0%--72.0%----78.9%--62.8%-78.0%----3.81--100.0%-0.36-0.7883.3%54.5%22.5%-39.6%
2 / 2 models
AttributeGPT-4o-mini

OpenAI

GPT-5.2

OpenAI

DescriptionGPT-4o Mini is an AI model from OpenAI.GPT-5.2 is an AI model from OpenAI.
FamilyGPTGPT
Params--
Open weightsclosedclosed
Licenseproprietaryproprietary
Released18 Jul 202411 Dec 2025
Context128,000400,000
Input $/1M$0.15$1.75
Output $/1M$0.60$14.00
Cache read $/1M$0.075$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-4o-mini or GPT-5.2 better?
Across the 15 benchmarks both models report on Sophon, GPT-5.2 leads on 14 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do GPT-4o-mini and GPT-5.2 compare on GPQA Diamond?
GPT-4o-mini scores 42.6% and GPT-5.2 scores 71.2% on GPQA Diamond.
Which is cheaper, GPT-4o-mini or GPT-5.2?
GPT-4o-mini is cheaper at $0.60 per million output tokens against $14.00 for GPT-5.2 - about 23.3x.
When were GPT-4o-mini and GPT-5.2 released?
GPT-4o-mini was released 18 Jul 2024 by OpenAI. GPT-5.2 was released 11 Dec 2025 by OpenAI.

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