Anthropic

Claude Sonnet 5.5

Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, a direct upgrade to Claude Sonnet 5.

Best for: Building features, fixing bugs, writing, and everyday analysis.

Released

2026-09-28

Capabilities

✓Step-by-step reasoning
✓Web search
✓Adjustable reasoning effort
✓Image understanding
✓File/document understanding
✓Image generation(drawn by GPT Image, Gemini or Grok — your pick)

Try Claude Sonnet 5.5 in EVA

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