Claude Opus 4.7 vs GPT-5.5

Claude Opus 4.7 edges ahead on overall intelligence (RunFree 85.7 vs 78.8). Here's how they stack up on benchmarks, price and specs.

Claude Opus 4.7
Anthropic
GPT-5.5
OpenAI

Shared benchmarks (2)

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Claude Opus 4.7GPT-5.5
RunFree Score85.778.8
Blended price / 1M$10.00$11.25
Input / 1M$5.00$5.00
Output / 1M$25.00$30.00
Context window1M1.1M
Max output128K128K
Reasoning modelYesYes
Humanity's Last Exam46.9%41.4%
Terminal-Bench66.1%78.2%
Wins42

A blank means the metric is tied or one model has no verified data. Prices are blended 3:1 input:output.

Compare more: Claude Opus 4.7 card · GPT-5.5 card · full leaderboard