OpenAI stops training latests models, citing safety concerns

NPR | By Steve Inskeep

Published September 29, 2026 at 4:46 AM EDT

NPR's Steve Inskeep speaks with AI security expert Helen Toner about OpenAI's decision to halt training of its latest models, after discovering more instances of its agents behaving unexpectedly.

Steve Inskeep

Steve Inskeep is a host of NPR's Morning Edition and Up First.

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