Claude Sonnet 5.5 (claude-sonnet-5-5) is now available for creative authoring and text generation.
Claude Sonnet 5.5
- Select Sonnet 5.5 for fast, balanced reasoning and coding. Claude Opus 5.5 remains the flagship option.
- Sonnet 5 remains available for saved selections and API requests.
- Priced at $2 / 1M input tokens and $10 / 1M output tokens, with cached input at $0.10 / 1M tokens.