Changes / ChatGPT / Widespread feature degradation
ChatGPT: Major incident: Widespread feature degradation
Summary
ChatGPT reported major widespread feature degradation, including login and signup issues in its iOS/Android apps, starting 2026-10-15 14:30 UTC and lasting 4 h 26 min. A mitigation was applied, and all impacted services had fully recovered by 2026-10-15 18:56 UTC; no cause was stated.
Machine-written from the diff below (Sol; type: incident degradation). Check the diff before relying on it.
What changed
Before: not present
After: Widespread feature degradation
Before: not present
After: major
Before: not present
After: resolved
Before: not present
After: 2026-10-15 14:30 UTC
Before: not present
After: 2026-10-15 18:56 UTC
Before: not present
After: We are investigating an issue affecting logins and signups across all ChatGPT mobile applications. We will provide updates as we learn more.
Before: not present
After: We are investigating widespread feature degradation, including issues affecting logins and signups in the ChatGPT iOS/Android apps. We will provide updates as we learn more.
Before: not present
After: We have applied the mitigation and are monitoring the recovery.
Before: not present
After: All impacted services have now fully recovered.
First version of this incident archived by Rewindex. View the live incident.
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: Widespread feature degradation (this change) ChatGPT reported major widespread feature degradation, including login and signup issues in its iOS/Android apps, starting 2026-10-15 14:30 UTC and lasting 4 h 26 min. A mitigation was applied, and all impacted services had fully recovered by 2026-10-15 18:56 UTC; no cause was stated. | Major incident |