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Claude Sonnet 4.6 vs GPT-5.4 Mini

Head to head on 28 shared benchmarks, with price, context window, and release dates.

Benchmark scores

37

evals · sort by any column, ⤢ to expand fullscreen

Model
Claude Sonnet 4.6

Anthropic

47.6%65.3%1805elo79.951.0%32.4%79.7%11.2%42.4%92.2%78.4%80.0%76.1%63.9%77.7%86.5%86.4%67.7%45.0%46.6%44.1%77.1%42.4%76.350.6%60.6%51.5%78.9%87.1%47.2%1.3578.0%--1207elo89.372.1%62.8%
GPT-5.4 Mini

OpenAI

37.0%60.9%1662elo7345.4%28.3%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%61.739.6%54.2%48.0%23.4%----21.2%3.9%---48.4%
2 / 2 models
AttributeClaude Sonnet 4.6

Anthropic

GPT-5.4 Mini

OpenAI

DescriptionClaude Sonnet 4.6 is an AI model from Anthropic.GPT-5.4 mini is an AI model from OpenAI.
FamilyClaudeGPT
Params--
Open weightsclosedclosed
Licenseproprietaryproprietary
Released17 Feb 202617 Mar 2026
Context1,000,000400,000
Input $/1M$3.00$0.75
Output $/1M$15.00$4.50
Cache read $/1M$0.300$0.075
Cache write $/1M$3.750-
Speed45 tok/s0 tok/s
Latency1.12 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 Sonnet 4.6 or GPT-5.4 Mini better?
Across the 28 benchmarks both models report on Sophon, Claude Sonnet 4.6 leads on 27 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do Claude Sonnet 4.6 and GPT-5.4 Mini compare on GPQA Diamond?
Claude Sonnet 4.6 scores 79.7% and GPT-5.4 Mini scores 60.6% on GPQA Diamond.
Which is cheaper, Claude Sonnet 4.6 or GPT-5.4 Mini?
GPT-5.4 Mini is cheaper at $4.50 per million output tokens against $15.00 for Claude Sonnet 4.6 - about 3.3x.
When were Claude Sonnet 4.6 and GPT-5.4 Mini released?
Claude Sonnet 4.6 was released 17 Feb 2026 by Anthropic. GPT-5.4 Mini was released 17 Mar 2026 by OpenAI.

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