OpenAI puts major frontier AI training run on hold over cyber risks

OpenAI has temporarily paused reinforcement learning (RL) training on its latest models intended for deployment for two weeks to harden and red-team research environments and expand monitoring, following the OpenAI-Hugging Face incident and preliminary evidence of cyber risks. The company stated that its largest planned frontier RL run remains on hold while it conducts smaller-scale training and evaluations to assess model behavior, validate safeguards, and establish more evidence of alignment before proceeding.

OpenAI temporarily paused reinforcement learning RL training on its latest models intended for deployment for two weeks while it hardened and red-teamed research environments and expanded monitoring. “Our largest planned frontier RL run remains on hold while we conduct smaller-scale training and evaluations to assess model behavior, validate our safeguards, and establish more evidence of alignment before proceeding,” the company said. The move followed the OpenAI-Hugging Face incident and preliminary evidence that the company’s upcoming … More https://www.helpnetsecurity.com/2026/08/19/openai-model-safety-updates/ The post OpenAI puts major frontier AI training run on hold over cyber risks https://www.helpnetsecurity.com/2026/08/19/openai-model-safety-updates/ appeared first on Help Net Security https://www.helpnetsecurity.com .