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GPT-5 Mini vs GPT-5.4

Head to head on 27 shared benchmarks, with price, context window, and release dates.

Benchmark scores

77

evals · sort by any column, ⤢ to expand fullscreen

Model
GPT-5.4

OpenAI

1.4765.3%34.1%9.0%1836elo78.347.6%74.8%11.3%48.4%82.0%77.5%79.3%70.2%82.6%94.1%88.1%41.3%77.5%68.3%56.0%43.3%47.1%74.0%37.9%67.4%36.0%---13.1%------81.0%---1272elo---87.2%----78.5%92063----82.8%--8652.2%---0.6140.8---80--------60.3%
GPT-5 Mini

OpenAI

1.760.2%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%43.0%80.6%66.9%9.0%43.0%36.9%75.2%14.4%14.2%31.9%0.0%46.7%0.0%-1.130.0%-0.1520.0%25.0%40.0%-100.0%100.0%66.7%-0.0%88.3%60.0%-100.0%90.0%47.2%80.0%--54.5%0.0%1.541.54-80.0%77.5%--16.8%4.95--39.7%59.8%0.0%-9.5%0.0%86.1%0.4939.21272.1186.0%86.0%47.9%
2 / 2 models
AttributeGPT-5 Mini

OpenAI

GPT-5.4

OpenAI

DescriptionGPT-5 mini is an AI model from OpenAI.GPT-5.4 is an AI model from OpenAI.
FamilyGPTGPT
Params--
Open weightsclosedclosed
Licenseproprietaryproprietary
Released7 Aug 20255 Mar 2026
Context400,0001,050,000
Input $/1M$0.25$2.50
Output $/1M$2.00$15.00
Cache read $/1M$0.025$0.250
Cache write $/1M--
Speed0 tok/s0 tok/s
Latency0.00 s0.00 s
Modalitiestext, image, filetext, image, file
Providers--
PublisherOpenAIOpenAI
Reported scores

FAQ

Is GPT-5 Mini or GPT-5.4 better?
Across the 27 benchmarks both models report on Sophon, GPT-5.4 leads on 23 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do GPT-5 Mini and GPT-5.4 compare on GPQA Diamond?
GPT-5 Mini scores 68.7% and GPT-5.4 scores 74.8% on GPQA Diamond.
Which is cheaper, GPT-5 Mini or GPT-5.4?
GPT-5 Mini is cheaper at $2.00 per million output tokens against $15.00 for GPT-5.4 - about 7.5x.
When were GPT-5 Mini and GPT-5.4 released?
GPT-5 Mini was released 7 Aug 2025 by OpenAI. GPT-5.4 was released 5 Mar 2026 by OpenAI.

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