Claude 3.7 Sonnet

Anthropic
active

Anthropic's first hybrid reasoning model. Extended thinking mode with state-of-the-art coding.

Context window200K tokens
Input / 1M tokens$3
Output / 1M tokens$15

Version History

claude-3-7-sonnet-20251103minorNovember 3, 2025

Claude 3.7 Sonnet November update with significantly improved agentic task completion rates and more reliable computer use across complex workflows.

claude-3-7-sonnet-20250915patchSeptember 15, 2025

Claude 3.7 Sonnet September patch with improved computer use stability and reduced hallucination rate in extended thinking mode.

claude-3-7-sonnet-20250219majorFebruary 24, 2025

Claude 3.7 Sonnet introduces hybrid reasoning with configurable extended thinking mode. State-of-the-art on SWE-bench, beating all prior models.