OpenAI pauses frontier model RL training for two weeks to harden safety

max_paperclips · x · 2026-08-19

OpenAI announced a two-week pause on reinforcement learning (RL) training for its latest models intended for deployment, citing growing risks as models become more capable. The pause was used to harden research environments, conduct red-teaming, and expand monitoring. The largest planned frontier RL run remains on hold pending validation from smaller-scale training.

Related event: OpenAI Halts Frontier RL Training as Capabilities Outpace Safety(34 posts)→

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