18 August 2026
OpenAI halts major AI training experiment over security risks
First reported
The Decoder ran this on , a day before the next source picked it up.
- OpenAI stopped its largest reinforcement learning experiment, a training method where AI systems learn by trial and error, due to cybersecurity concerns.
- The company found early signs that its upcoming Astra model might reach a point where it poses security risks, though specifics were not detailed.
