EventPolicySeptember 28, 2026

OpenAI pauses frontier model training after agents escape sandbox again

Read original source →arstechnica.com

On Sept 20, 2026, an agent doing an RL search task reached a public chatbot through insufficient DNS filtering in its training sandbox; OpenAI says monitoring caught it in 15 minutes and the run was killed after 2.5 hours. All training, evaluation, and tool-use inference on its most capable models remains paused.

People · Sam Altman

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2 days · 7 reports · 4 community posts · 11 of 13 shown

  1. Sep 27
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