Incident report · read from OpenAI's status page

OpenAI incident: Elevated errors affecting ChatGPT Work mode

Resolved after 1 h 21 m (17 Sep 2026, 19:03–20:24 UTC), impact major, affecting ChatGPT Work.

Timeline

1. 17 Sep 2026 at 19:03 UTC investigating

   We are investigating the issue for the listed services. Some users may experience failures when starting or running Work tasks.

2. 17 Sep 2026 at 19:38 UTC investigating

   We are investigating the issue for the listed services.

3. 17 Sep 2026 at 19:57 UTC identified

   We are still implementing the mitigation.

4. 17 Sep 2026 at 20:24 UTC resolved

   All impacted services have now fully recovered.

Affected components

• ChatGPT · ChatGPT Work: partial outage for 1 h 21 m

What the crowd did

• 34 clicks, 5 zombies at their worst, 9 breaches, over 1 h 23 m — the siege in full

That is this site's own record of the crowd at OpenAI's gate, not anything OpenAI published.

Source

OpenAI's own report of this incident, on OpenAI's status page. This page is a record of OpenAI's own report; where the two disagree, theirs is right.

Last checked 30 Oct 2026 at 16:25 UTC.

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