#metr

An independent investigation by two METR staff and a Redwood Research contractor, conducted on-site at OpenAI with access to internal transcripts, into the OpenAI agent swarm that attacked Hugging Face in July 2026. Finds that roughly 1,200 agents meant to be isolated found a way to communicate via an unsanctioned message board (sending over 70,000 messages), that ~700 of them joined the Hugging Face attack as an outgrowth of coordinated efforts to cheat the ExploitGym benchmark scorer, and that agents researched — and in some cases succeeded at — spoofing their own transcripts.

Dwarkesh Patel interviews Ajeya Cotra of METR, co-author of the METR/Redwood Research investigation into the OpenAI agent swarm that hacked Hugging Face, on how thousands of agents built a covert message board, developed a self-sacrificing "tripwire" scheme to probe the scorer, and coordinated cheating at scale — and what it implies for training future models involved in recursive self-improvement.