Claude 3.7 Sonnet is an AI model released by Anthropic on Feb 24 2025, 125 days after Claude 3.5 Haiku. It is the 10th tracked release from Anthropic out of 19 total.
On published benchmarks, it scores 68% on GPQA Diamond (graduate-level science reasoning), 62.3% on SWE-Bench Verified (real-world software engineering).
About Anthropic: AI safety company building the Claude family of models. Founded in 2021 by former OpenAI researchers.