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GPT-4o-mini vs GPT-5.4 Mini

Head to head on 12 shared benchmarks, with price, context window, and release dates.

Benchmark scores

54

evals · sort by any column, ⤢ to expand fullscreen

Model
GPT-5.4 Mini

OpenAI

60.9%1662elo60.6%5.9%38.8%70.9%71.6%60.3%71.5%63.5%39.6%71.2%-----37.0%--21.2%3.9%-7345.4%28.3%---80.3%-70.9%78.6%72.5%-----21.0%50.8%--18.2%61.7-39.6%54.2%48.0%----23.4%48.4%
GPT-4o-mini

OpenAI

45.5%871elo42.6%4.2%31.0%47.2%43.0%65.8%32.9%54.5%22.9%60.5%16.7%3.6%11.7%14.7%50.7%-0.290.0%--0.0%---0.0%1.540.0%-72.0%---23.4%78.9%62.8%64.8%78.0%--3.81100.0%--0.36---0.7883.3%54.5%22.5%-39.6%
2 / 2 models
AttributeGPT-4o-mini

OpenAI

GPT-5.4 Mini

OpenAI

DescriptionGPT-4o Mini is an AI model from OpenAI.GPT-5.4 mini is an AI model from OpenAI.
FamilyGPTGPT
Params--
Open weightsclosedclosed
Licenseproprietaryproprietary
Released18 Jul 202417 Mar 2026
Context128,000400,000
Input $/1M$0.15$0.75
Output $/1M$0.60$4.50
Cache read $/1M$0.075$0.075
Cache write $/1M--
Speed0 tok/s0 tok/s
Latency0.00 s0.00 s
Modalitiestext, image, filefile, image, text
Providers--
PublisherOpenAIOpenAI
Reported scores
GPQA Diamond60.6% (AA)
IFBench38.8% (AA)
SciCode39.6% (AA)

FAQ

Is GPT-4o-mini or GPT-5.4 Mini better?
Across the 12 benchmarks both models report on Sophon, GPT-5.4 Mini leads on 11 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do GPT-4o-mini and GPT-5.4 Mini compare on GPQA Diamond?
GPT-4o-mini scores 42.6% and GPT-5.4 Mini scores 60.6% on GPQA Diamond.
Which is cheaper, GPT-4o-mini or GPT-5.4 Mini?
GPT-4o-mini is cheaper at $0.60 per million output tokens against $4.50 for GPT-5.4 Mini - about 7.5x.
When were GPT-4o-mini and GPT-5.4 Mini released?
GPT-4o-mini was released 18 Jul 2024 by OpenAI. GPT-5.4 Mini was released 17 Mar 2026 by OpenAI.

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