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Claude Opus 4.6 vs GPT-5.4 Mini

Head to head on 25 shared benchmarks, with price, context window, and release dates.

Benchmark scores

44

evals · sort by any column, ⤢ to expand fullscreen

Model
Claude Opus 4.6

Anthropic

56.1%67.0%1804elo77.740.7%84.0%19.1%44.6%84.9%78.8%78.2%69.9%63.3%83.3%89.3%88.7%68.5%50.0%51.6%45.7%76.0%48.5%80.657.6%84.8%99.791.52.0871.0%--1223elo-887715878.5%48.2%86.7%9344.572.0%75.6%--66.5%
GPT-5.4 Mini

OpenAI

37.0%60.9%1662elo7328.3%60.6%5.9%38.8%80.3%70.9%71.6%70.9%60.3%71.5%78.6%72.5%63.5%21.0%50.8%39.6%71.2%18.2%61.748.0%23.4%----21.2%3.9%-45.4%---------39.6%54.2%48.4%
2 / 2 models
AttributeClaude Opus 4.6

Anthropic

GPT-5.4 Mini

OpenAI

DescriptionClaude Opus 4.6 is an AI model from Anthropic.GPT-5.4 mini is an AI model from OpenAI.
FamilyClaudeGPT
Params--
Open weightsclosedclosed
Licenseproprietaryproprietary
Released5 Feb 202617 Mar 2026
Context1,000,000400,000
Input $/1M$5.00$0.75
Output $/1M$25.00$4.50
Cache read $/1M$0.500$0.075
Cache write $/1M$6.250-
Speed0 tok/s0 tok/s
Latency0.00 s0.00 s
Modalitiestext, image, filefile, image, text
Providers--
PublisherAnthropicOpenAI
Reported scores
GPQA Diamond60.6% (AA)
IFBench38.8% (AA)
SciCode39.6% (AA)

FAQ

Is Claude Opus 4.6 or GPT-5.4 Mini better?
Across the 25 benchmarks both models report on Sophon, Claude Opus 4.6 leads on 24 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 Mini compare on GPQA Diamond?
Claude Opus 4.6 scores 84.0% and GPT-5.4 Mini scores 60.6% on GPQA Diamond.
Which is cheaper, Claude Opus 4.6 or GPT-5.4 Mini?
GPT-5.4 Mini is cheaper at $4.50 per million output tokens against $25.00 for Claude Opus 4.6 - about 5.6x.
When were Claude Opus 4.6 and GPT-5.4 Mini released?
Claude Opus 4.6 was released 5 Feb 2026 by Anthropic. GPT-5.4 Mini was released 17 Mar 2026 by OpenAI.

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