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Evaluation

LAB-Bench subset

performance on four LAB-Bench tasks relevant to expert-level biological skill

Biological & chemical risks Anthropic

How it was run

Open a release to see the setup, scoring, and other details that the lab published. Only fields the lab actually disclosed are shown.

Claude 3.7 Sonnet
Anthropic

rich detail 26 method fields published

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Claude Opus 4, Claude Sonnet 4
Anthropic

rich detail 25 method fields published

See how this test was run