Anthropic: Claude Sonnet 5.5 (batch)
- Model ID
- anthropic/claude-sonnet-5.5:batch
- Canonical slug
- anthropic/claude-sonnet-5.5-20260928
- Knowledge cutoff
- n/a
- Created
- 9/28/2026
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...