Claude 3 Sonnet is an AI model released by Anthropic on Mar 4 2024, 0 days after Claude 3 Haiku. It is the 6th tracked release from Anthropic out of 19 total.
On published benchmarks, it scores 40.4% on GPQA Diamond (graduate-level science reasoning).
About Anthropic: AI safety company building the Claude family of models. Founded in 2021 by former OpenAI researchers.