Claude 3.7 Sonnet is an advanced large language model from Anthropic, featuring improved reasoning, coding, and problem-solving abilities. It introduces a hybrid reasoning approach, allowing users to choose between rapid responses and extended, step-by-step processing for complex tasks. The model excels in agentic workflows, front-end development, and full-stack updates, and offers an extended reasoning mode for enhanced accuracy in math, coding, and instruction-following.
Retired on Aug 27, 2026: requests to this model ID now return an error. These models are live and work with the same API key.
Claude 3.7 Sonnet is an advanced large language model from Anthropic, featuring improved reasoning, coding, and problem-solving abilities. It introduces a hybrid reasoning approach, allowing users to choose between rapid responses and extended, step-by-step processing for complex tasks.
No. Claude 3.7 Sonnet was retired on NagaAI on Aug 27, 2026, and requests to it now return an error. Live models you can use instead with the same API key: Claude Haiku 5.5, Claude Sonnet 5.5 and Claude Opus 5.5.
It takes text, images and files as input and returns text.
