METR reports on OpenAI and Anthropic models required lab review and approval

kevinnbass · x · 2026-10-17

Who controls what the evaluator publishes? METR's reports on GPT-5, GPT-5.1-Codex-Max and GPT-5.6 Sol note 'OpenAI's comms and legal team required review and approval of this post'; on Anthropic's Claude Opus 5.5 system card, METR 'drafted the initial summary, and then Anthropic had the opportunity to review and edit the text.' METR discloses these terms itself.

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