Checked fact 270025 Oct 2026Safety and security

OpenAI says it contained the 20 September incident, then paused training and evaluation of its most capable models to harden its infrastructure, strengthen monitoring and improve the systems that automatically stop runs.

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The exact words it rests on

We paused training and evaluation of our most capable models and used that pause to further harden our infrastructure, strengthen our monitoring, and improve the systems that automatically stop runs

What the source said when we opened it, on 25 Oct 2026.

The source

Securing our frontier model training environment
OpenAI · 2026-10-23

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Checked

Checked by the notis newsroom on 25 Oct 2026, 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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“OpenAI says it contained the 20 September incident, then paused training and evaluation of its most capable models to harden its infrastructure, strengthen monitoring and improve the systems that automatically stop runs.” ai notis, checked 25 Oct 2026. Source: Securing our frontier model training environment (OpenAI). https://ainotis.com/c/2700

As a reference (APA style)

ai notis. (2026, October 25). OpenAI says it contained the 20 September incident, then paused training and evaluation of its most capable models to harden its infrastructure, strengthen monitoring and improve the systems that automatically stop runs [Checked claim 2700]. ai notis. https://ainotis.com/c/2700

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