Claude 3 Sonnet
Released
Claude 3 Sonnet is an AI model released by Anthropic on Monday, Mar 4 2024, the same day as Claude 3 Haiku. Benchmark results (shown below) cover GPQA Diamond.
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Frequently asked questions
Claude 3 Sonnet was released by Anthropic on Monday, Mar 4 2024.
Claude 3 Sonnet was built by Anthropic. AI safety company building the Claude family of models. Founded in 2021 by former OpenAI researchers.
Claude 3 Sonnet reports 1 tracked benchmark score — GPQA Diamond: 40.4%. Scores are the figures published at release by Anthropic.
No. Claude 3 Sonnet is a proprietary model. The weights are not published — it is available only through the provider's own API, apps, or partner platforms.
Anthropic's previous tracked release was Claude 3 Haiku on Mar 4 2024. It was followed by Claude 3 Opus on Mar 4 2024.