Checked fact 270625 Oct 2026Safety and security
OpenAI says it supplied the red-teaming agents with infrastructure source code, configuration details and documentation describing potential vulnerabilities, to test its defences under conditions favourable to an attacker.
The exact words it rests on
we supplied infrastructure source code, configuration details, and documentation describing potential vulnerabilities
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
Cite this fact
Anyone may quote this address. It does not change; if we correct the story, this page says so.