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Claude 4 Sonnet vs GPT-5.4

Head to head on 22 shared benchmarks, with price, context window, and release dates.

Benchmark scores

57

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Model
GPT-5.4

OpenAI

65.3%1836elo78.387.2%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%43.3%47.1%74.0%37.9%36.0%--13.1%--1.4781.0%34.1%9.0%-1272elo47.6%78.5%92063--82.8%--8652.2%-56.0%---0.6140.8---80-67.4%--60.3%
Claude 4 Sonnet

Anthropic

54.7%1480elo58.467.5%68.3%4.3%45.4%64.8%77.5%54.6%44.3%72.9%70.5%69.0%33.9%72.4%62.5%35.0%37.3%69.6%27.3%52.3%40.7%38.0%-22.9%47.8%----19.8%----44.9%93.4%-86.7%83.7%--43.9%-6.186.18--58.3%35.6%74.6%-0.59-84.0%84.0%55.5%
2 / 2 models
AttributeClaude 4 Sonnet

Anthropic

GPT-5.4

OpenAI

DescriptionClaude 4 Sonnet is an AI model from Anthropic.GPT-5.4 is an AI model from OpenAI.
FamilyClaudeGPT
Params--
Open weightsclosedclosed
Licenseproprietaryproprietary
Released22 May 20255 Mar 2026
Context200,0001,050,000
Input $/1M$3.00$2.50
Output $/1M$15.00$15.00
Cache read $/1M-$0.250
Cache write $/1M--
Speed0 tok/s0 tok/s
Latency0.00 s0.00 s
Modalitiestext, imagetext, image, file
Providers--
PublisherAnthropicOpenAI
Reported scores

FAQ

Is Claude 4 Sonnet or GPT-5.4 better?
Across the 22 benchmarks both models report on Sophon, GPT-5.4 leads on 21 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do Claude 4 Sonnet and GPT-5.4 compare on GPQA Diamond?
Claude 4 Sonnet scores 68.3% and GPT-5.4 scores 74.8% on GPQA Diamond.
When were Claude 4 Sonnet and GPT-5.4 released?
Claude 4 Sonnet was released 22 May 2025 by Anthropic. GPT-5.4 was released 5 Mar 2026 by OpenAI.

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