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Anthropic: Claude Sonnet 5

modeltested · static-verifiedscore 45/100signed passport ✓published 113d ago · verified 2026-10-20

Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,...

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model:openrouter:anthropic/claude-sonnet-5