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Claude Opus 4.6 vs GPT-5.4

Head to head on 33 shared benchmarks, with price, context window, and release dates.

Benchmark scores

45

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Model
Claude Opus 4.6

Anthropic

56.1%2.0867.0%71.0%1223elo1804elo77.740.7%84.0%19.1%44.6%84.9%8877178.8%78.2%69.9%63.3%83.3%89.3%88.7%78.5%48.2%86.7%68.5%9350.0%51.6%45.7%76.0%48.5%80.657.6%84.8%99.791.5---58-44.5--72.0%75.6%66.5%
GPT-5.4

OpenAI

13.1%1.4765.3%81.0%1272elo1836elo78.347.6%74.8%11.3%48.4%78.5%9206382.0%77.5%79.3%70.2%82.6%94.1%88.1%82.8%41.3%77.5%68.3%8656.0%43.3%47.1%74.0%37.9%8067.4%36.0%--34.1%9.0%87.2%-52.2%--0.6140.8--60.3%
2 / 2 models
AttributeClaude Opus 4.6

Anthropic

GPT-5.4

OpenAI

DescriptionClaude Opus 4.6 is an AI model from Anthropic.GPT-5.4 is an AI model from OpenAI.
FamilyClaudeGPT
Params--
Open weightsclosedclosed
Licenseproprietaryproprietary
Released5 Feb 20265 Mar 2026
Context1,000,0001,050,000
Input $/1M$5.00$2.50
Output $/1M$25.00$15.00
Cache read $/1M$0.500$0.250
Cache write $/1M$6.250-
Speed0 tok/s0 tok/s
Latency0.00 s0.00 s
Modalitiestext, image, filetext, image, file
Providers--
PublisherAnthropicOpenAI
Reported scores

FAQ

Is Claude Opus 4.6 or GPT-5.4 better?
Across the 33 benchmarks both models report on Sophon, Claude Opus 4.6 leads on 18 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do Claude Opus 4.6 and GPT-5.4 compare on GPQA Diamond?
Claude Opus 4.6 scores 84.0% and GPT-5.4 scores 74.8% on GPQA Diamond.
Which is cheaper, Claude Opus 4.6 or GPT-5.4?
GPT-5.4 is cheaper at $15.00 per million output tokens against $25.00 for Claude Opus 4.6 - about 1.7x.
When were Claude Opus 4.6 and GPT-5.4 released?
Claude Opus 4.6 was released 5 Feb 2026 by Anthropic. GPT-5.4 was released 5 Mar 2026 by OpenAI.

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