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GPT-4o vs GPT-5.4

Head to head on 14 shared benchmarks, with price, context window, and release dates.

Benchmark scores

58

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Model
GPT-5.4

OpenAI

65.3%47.6%74.8%11.3%48.4%82.0%77.5%70.2%82.6%68.3%47.1%74.0%37.9%36.0%----13.1%--1.4781.0%34.1%9.0%-1272elo1836elo78.387.2%-78.5%92063-79.3%94.1%88.1%--82.8%41.3%-77.5%-8652.2%-56.0%43.3%--0.6140.8--80-67.4%-60.3%
GPT-4o

OpenAI

45.9%0.3%54.3%2.4%34.3%55.1%46.1%70.1%49.0%57.4%33.3%74.5%8.3%25.1%18.2%15.0%6.0%38-0.0%0.33----6.1%----96.1--0.0%---30.9%75.9%--10.8%-74.8%--54.0%--5.71--21.6%61.2-0.98-32.5%33.4%
2 / 2 models
AttributeGPT-4o

OpenAI

GPT-5.4

OpenAI

DescriptionGPT-4o is an AI model from OpenAI.GPT-5.4 is an AI model from OpenAI.
FamilyGPTGPT
Params--
Open weightsclosedclosed
Licenseproprietaryproprietary
Released20 Nov 20245 Mar 2026
Context128,0001,050,000
Input $/1M$2.50$2.50
Output $/1M$10.00$15.00
Cache read $/1M$1.250$0.250
Cache write $/1M--
Speed0 tok/s0 tok/s
Latency0.00 s0.00 s
Modalitiestext, image, filetext, image, file
Providers--
PublisherOpenAIOpenAI
Reported scores
Taubench61.2 pass^1
GSM8K96.1 Accuracy
ScholarSearch5.71 Social Sciences & Humanities (%)
AIME202438 pass@1

FAQ

Is GPT-4o or GPT-5.4 better?
Across the 14 benchmarks both models report on Sophon, GPT-5.4 leads on 13 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do GPT-4o and GPT-5.4 compare on GPQA Diamond?
GPT-4o scores 54.3% and GPT-5.4 scores 74.8% on GPQA Diamond.
Which is cheaper, GPT-4o or GPT-5.4?
GPT-4o is cheaper at $10.00 per million output tokens against $15.00 for GPT-5.4 - about 1.5x.
When were GPT-4o and GPT-5.4 released?
GPT-4o was released 20 Nov 2024 by OpenAI. GPT-5.4 was released 5 Mar 2026 by OpenAI.

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