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GPT-5.4 Mini vs GPT-5.4

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

Benchmark scores

42

evals · sort by any column, ⤢ to expand fullscreen

Model
GPT-5.4

OpenAI

13.1%65.3%34.1%9.0%1836elo78.347.6%74.8%11.3%48.4%78.5%82.0%77.5%79.3%70.2%82.6%94.1%88.1%68.3%56.0%43.3%47.1%74.0%37.9%8067.4%36.0%1.4781.0%1272elo-87.2%9206382.8%41.3%77.5%8652.2%-0.6140.8--60.3%
GPT-5.4 Mini

OpenAI

37.0%60.9%21.2%3.9%1662elo7328.3%60.6%5.9%38.8%80.3%70.9%71.6%70.9%60.3%71.5%78.6%72.5%63.5%21.0%50.8%39.6%71.2%18.2%61.748.0%23.4%---45.4%---------39.6%54.2%48.4%
2 / 2 models
AttributeGPT-5.4 Mini

OpenAI

GPT-5.4

OpenAI

DescriptionGPT-5.4 mini is an AI model from OpenAI.GPT-5.4 is an AI model from OpenAI.
FamilyGPTGPT
Params--
Open weightsclosedclosed
Licenseproprietaryproprietary
Released17 Mar 20265 Mar 2026
Context400,0001,050,000
Input $/1M$0.75$2.50
Output $/1M$4.50$15.00
Cache read $/1M$0.075$0.250
Cache write $/1M--
Speed0 tok/s0 tok/s
Latency0.00 s0.00 s
Modalitiesfile, image, texttext, image, file
Providers--
PublisherOpenAIOpenAI
Reported scores
GPQA Diamond60.6% (AA)
IFBench38.8% (AA)
SciCode39.6% (AA)

FAQ

Is GPT-5.4 Mini or GPT-5.4 better?
Across the 27 benchmarks both models report on Sophon, GPT-5.4 leads on 24 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do GPT-5.4 Mini and GPT-5.4 compare on GPQA Diamond?
GPT-5.4 Mini scores 60.6% and GPT-5.4 scores 74.8% on GPQA Diamond.
Which is cheaper, GPT-5.4 Mini or GPT-5.4?
GPT-5.4 Mini is cheaper at $4.50 per million output tokens against $15.00 for GPT-5.4 - about 3.3x.
When were GPT-5.4 Mini and GPT-5.4 released?
GPT-5.4 Mini was released 17 Mar 2026 by OpenAI. GPT-5.4 was released 5 Mar 2026 by OpenAI.

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