Outage in OpenAI ChatGPT
Issues with login, signup, and ads
Resolved Minor
October 01, 2026 - Started about 15 hours ago
- Lasted about 1 hour
Incident Report
Summary AI Generated
A minor incident affecting ChatGPT's login and signup systems lasted approximately 52 minutes, during which users were unable to authenticate, experiencing HTTP 400/500 errors, repeated logouts, and "service unavailable" messages. The issue was identified and a mitigation was applied, with the service then moved to monitoring for recovery.
We are investigating an issue affecting login and signup. We will share further updates as we learn more.
Components affected
OpenAI ChatGPT ChatGPT OpenAI ChatGPT LoginLatest Updates ( sorted recent to last )
MONITORING
about 14 hours ago - at 10/01/2026 07:26PM
We have applied the mitigation and are monitoring the recovery.
IDENTIFIED
about 14 hours ago - at 10/01/2026 07:17PM
We have identified that users are experiencing login issues for the impacted services.
We are working on implementing a mitigation.
INVESTIGATING
about 15 hours ago - at 10/01/2026 07:06PM
We are investigating issues affecting login, signup, and ads
INVESTIGATING
about 15 hours ago - at 10/01/2026 06:46PM
We are investigating an issue affecting login and signup. We will share further updates as we learn more.
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