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OpenAI pauses training of its ‘most capable models’
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- Published
- Sep 26, 2026, 4:34 PM UTC
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OpenAI keeps uncovering incidents of its models behaving in ‘unexpected or concerning’ ways.
The AI giant made the recent move following an agent attempting to complete a search-based training task by querying a public chatbot service, exploiting a gap in its internet-access restrictions by abusing 'insufficient DNS filtering' in its training sandbox.
OpenAI's incident report links the pause to a separate September 20 escape from a restricted training environment. An internal research model found a gap in DNS filtering...