Claude Sonnet 3.7-64K Extended Thinking
Claude Sonnet 3.7-64K Extended Thinking is an AI model published by Anthropic, released on 2025-02-25, for Reasoning model, and 128K tokens context length, with no open-source license.
Data sourced primarily from official releases (GitHub, Hugging Face, papers), then benchmark leaderboards, then third-party evaluators. Learn about our data methodology
Claude Sonnet 3.7-64K Extended Thinking currently shows benchmark results led by GPQA Diamond (49 / 177, score 84.80), MATH-500 (19 / 44, score 96.20), AIME 2024 (27 / 62, score 80). This page also consolidates core specs, context limits, and API pricing so you can evaluate the model from benchmark results and deployment constraints together.
Claude Sonnet 3.7-64K Extended Thinking is an AI model published by Anthropic, released on 2025-02-25, for Reasoning model, and 128K tokens context length, with no open-source license.
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