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Claude Opus 4.6 vs GPT-5 Mini

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

Benchmark scores

76

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Model
Claude Opus 4.6

Anthropic

1.52.0867.0%1804elo77.740.7%84.0%19.1%44.6%78.8%78.2%69.9%63.3%83.3%89.3%88.7%48.2%86.7%68.5%50.0%51.6%45.7%72.0%75.6%76.0%48.5%57.6%84.8%--99.79-56.1%-----71.0%-----1223elo-------84.9%8877158----78.5%--93--44.5-80.6--------66.5%
GPT-5 Mini

OpenAI

1.131.760.2%1310elo56.227.2%68.7%5.1%45.6%69.1%68.2%55.2%65.3%75.5%82.2%68.3%43.0%80.6%66.9%9.0%43.0%36.9%39.7%59.8%75.2%14.4%14.2%31.9%0.0%46.7%-0.0%-0.0%-0.1520.0%25.0%40.0%-100.0%18.1%2.8%100.0%66.7%-0.0%88.3%60.0%100.0%90.0%47.2%80.0%---54.5%0.0%1.541.54-80.0%77.5%-16.8%4.95-0.0%-9.5%0.0%86.1%0.4939.21272.1186.0%86.0%47.9%
2 / 2 models
AttributeClaude Opus 4.6

Anthropic

GPT-5 Mini

OpenAI

DescriptionClaude Opus 4.6 is an AI model from Anthropic.GPT-5 mini is an AI model from OpenAI.
FamilyClaudeGPT
Params--
Open weightsclosedclosed
Licenseproprietaryproprietary
Released5 Feb 20267 Aug 2025
Context1,000,000400,000
Input $/1M$5.00$0.25
Output $/1M$25.00$2.00
Cache read $/1M$0.500$0.025
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 Mini better?
Across the 28 benchmarks both models report on Sophon, Claude Opus 4.6 leads on 26 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 Mini compare on GPQA Diamond?
Claude Opus 4.6 scores 84.0% and GPT-5 Mini scores 68.7% on GPQA Diamond.
Which is cheaper, Claude Opus 4.6 or GPT-5 Mini?
GPT-5 Mini is cheaper at $2.00 per million output tokens against $25.00 for Claude Opus 4.6 - about 12.5x.
When were Claude Opus 4.6 and GPT-5 Mini released?
Claude Opus 4.6 was released 5 Feb 2026 by Anthropic. GPT-5 Mini was released 7 Aug 2025 by OpenAI.

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