Checked fact 270225 Oct 2026Safety and security
OpenAI says it built an "offline world", a vast set of indexed and cached web content with which its models can interact, and that all of its frontier RL runs use this offline mode of interaction.
The exact words it rests on
a vast set of indexed and cached web content with which our models can interact
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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