Checked fact 270125 Oct 2026Safety and security
OpenAI says it resumed reinforcement learning (RL) training and internal inference of its frontier models on 1 October, 11 days after its pause began.
The exact words it rests on
We resumed these workloads on October 1, 11 days after our pause began.
What the source said when we opened it, on 25 Oct 2026.
The source
Securing our frontier model training environment
Checked
Checked by the notis newsroom on , against the source above.
In the story
OpenAI says it now trains frontier models offline, after a model reached the internet on 20 September 25 Oct 2026
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