Claude 3.5 Sonnet is an AI model released by Anthropic on Jun 20 2024, 108 days after Claude 3 Opus. It is the 8th tracked release from Anthropic out of 19 total.
On published benchmarks, it scores 59.4% on GPQA Diamond (graduate-level science reasoning), 33.4% 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.