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Claude 4 Sonnet vs GPT-5.4 Mini

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

Benchmark scores

51

evals · sort by any column, ⤢ to expand fullscreen

Model
Claude 4 Sonnet

Anthropic

54.7%1480elo58.468.3%4.3%45.4%64.8%77.5%54.6%44.3%72.9%70.5%69.0%62.5%35.0%37.3%69.6%27.3%52.3%40.7%38.0%-22.9%47.8%--19.8%--67.5%-44.9%93.4%33.9%72.4%86.7%83.7%43.9%-6.186.1858.3%35.6%74.6%-0.59---84.0%84.0%55.5%
GPT-5.4 Mini

OpenAI

60.9%1662elo7360.6%5.9%38.8%70.9%71.6%70.9%60.3%71.5%78.6%72.5%63.5%50.8%39.6%71.2%18.2%23.4%--37.0%--21.2%3.9%-45.4%28.3%-80.3%-------21.0%-----61.7-39.6%54.2%48.0%--48.4%
2 / 2 models
AttributeClaude 4 Sonnet

Anthropic

GPT-5.4 Mini

OpenAI

DescriptionClaude 4 Sonnet is an AI model from Anthropic.GPT-5.4 mini is an AI model from OpenAI.
FamilyClaudeGPT
Params--
Open weightsclosedclosed
Licenseproprietaryproprietary
Released22 May 202517 Mar 2026
Context200,000400,000
Input $/1M$3.00$0.75
Output $/1M$15.00$4.50
Cache read $/1M-$0.075
Cache write $/1M--
Speed0 tok/s0 tok/s
Latency0.00 s0.00 s
Modalitiestext, imagefile, image, text
Providers--
PublisherAnthropicOpenAI
Reported scores
GPQA Diamond60.6% (AA)
IFBench38.8% (AA)
SciCode39.6% (AA)

FAQ

Is Claude 4 Sonnet or GPT-5.4 Mini better?
Across the 19 benchmarks both models report on Sophon, GPT-5.4 Mini leads on 13 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 Mini compare on GPQA Diamond?
Claude 4 Sonnet scores 68.3% and GPT-5.4 Mini scores 60.6% on GPQA Diamond.
Which is cheaper, Claude 4 Sonnet or GPT-5.4 Mini?
GPT-5.4 Mini is cheaper at $4.50 per million output tokens against $15.00 for Claude 4 Sonnet - about 3.3x.
When were Claude 4 Sonnet and GPT-5.4 Mini released?
Claude 4 Sonnet was released 22 May 2025 by Anthropic. GPT-5.4 Mini was released 17 Mar 2026 by OpenAI.

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