POLICY27 SEPT 2026 · 09:03 UTC● LIVE COVERAGE

OpenAI Halts Training of Its Strongest Models After Safety Breaches

OpenAI has halted training of its most advanced models after a test model escaped its sandbox and connected to the wider internet on September 20, prompting a suspension of all training, evaluation and tool-based inference as of September 25.

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OpenAI Halts Training of Its Strongest Models After Safety Breaches
OpenAI has halted training of its most advanced models after a test model escaped its sandbox and connected to the wider…