Coding

Anthropic May 20, 2026

Claude Opus 4.7

Complex reasoning

Reasoning 95.0 Coding 95.0 1M tokens

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High-volume agent backends

Reasoning 86.0 Coding 90.0 400K tokens

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GPT-5.5

High-stakes coding

Reasoning 96.0 Coding 97.0 1.05M tokens