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GPT-5 vs GPT-5.4

Head to head on 19 shared benchmarks, with price, context window, and release dates.

Benchmark scores

82

evals · sort by any column, ⤢ to expand fullscreen

Model
GPT-5.4

OpenAI

65.3%1836elo78.347.6%87.2%74.8%11.3%48.4%78.5%41.3%77.5%68.3%56.0%43.3%47.1%74.0%37.9%67.4%36.0%------13.1%----1.4781.0%34.1%9.0%---1272elo-----92063-82.0%77.5%79.3%70.2%82.6%94.1%88.1%------82.8%-------86--52.2%--0.6140.8---80-----60.3%
GPT-5

OpenAI

61.1%1623elo72.832.4%83.3%68.6%6.6%45.0%83.4%49.6%83.7%65.5%18.0%43.7%37.8%73.4%12.9%20.1%0.0%46.7%91.1%88.0%94.6%48.3%0.0%-0.150.0%68.1%4.58----57.7%80.0%80.0%-91.7%0.0%88.9%100.0%48.9%-58.2%-------54.3%37.5%0.521.62100.0%86.1%-0.0%92.7%92.7%93.3%10.0%82.0%0.0%-60.0%0.26-0.0%--74.9%74.4%2.34-87.5%0.8654.8%90.0%90.0%56.7%
2 / 2 models
AttributeGPT-5

OpenAI

GPT-5.4

OpenAI

DescriptionOpenAI's August 2025 unified frontier model that auto-routes between a fast model and a deeper "thinking" variant.GPT-5.4 is an AI model from OpenAI.
FamilyGPT 5GPT
ParamsUndisclosed (closed)-
Open weightsclosedclosed
LicenseProprietaryproprietary
Released7 Aug 20255 Mar 2026
Context400,0001,050,000
Input $/1M-$2.50
Output $/1M-$15.00
Cache read $/1M$0.125$0.250
Cache write $/1M--
Speed0 tok/s0 tok/s
Latency0.00 s0.00 s
Modalitiestext, image, filetext, image, file
Providersopenai-
PublisherOpenAIOpenAI
Reported scores

FAQ

Is GPT-5 or GPT-5.4 better?
Across the 19 benchmarks both models report on Sophon, GPT-5.4 leads on 15 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do GPT-5 and GPT-5.4 compare on GPQA Diamond?
GPT-5 scores 68.6% and GPT-5.4 scores 74.8% on GPQA Diamond.
When were GPT-5 and GPT-5.4 released?
GPT-5 was released 7 Aug 2025 by OpenAI. GPT-5.4 was released 5 Mar 2026 by OpenAI.

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