Anthropic: Claude Sonnet 5.5

anthropic/claude-sonnet-5.5

Context: 1,000,000In: $2.00/1MOut: $10.00/1MUpdated 2026-10-04

Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade. It is especially strong at building features, fixing bugs, and producing...