Claude 3 Opus is an AI model released by Anthropic on Mar 4 2024, 0 days after Claude 3 Sonnet. It is the 7th tracked release from Anthropic out of 19 total.
On published benchmarks, it scores 50.4% on GPQA Diamond (graduate-level science reasoning), 33% 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.