Updates - METR

https://metr.org/blog/

METR — named in the OpenAI system card for AI self-improvement evaluations; publishes methodology a third party could rerun

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3737 Menu

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3939 Updates

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41+Summary of METR's predeployment evaluation of Claude Opus 5.5

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43+September 22, 2026

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45+A summary of METR's independent, predeployment evaluation of Claude Opus 5.5

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47+Read more

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4149 Update on Security at METR

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4351 August 31, 2026

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