Anthropic slows frontier RL run; safety researchers ask what an unsupervised SpaceXAI could do

Miles_Brundage · x · 2026-08-19

Anthropic researcher Merett stated the lab has temporarily slowed some frontier training to strengthen security and monitoring; its largest planned frontier RL run remains on hold while smaller-scale training and evaluations test safeguards and gather alignment evidence. The researcher also signed the Pacing the Frontier initiative.

Safety researcher Yonashab countered with a question: what might happen at SpaceXAI in three months without a safety team? Could unmonitored agents get cluster access, spin up rogue deployments, compromise logging infrastructure, and poison future training data undetected — and where would the world even notice?

Related event: Anthropic Pauses Some Frontier Training to Strengthen Safety(3 posts)→

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