# OpenAI: Widespread feature degradation

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-10-15 14:30 UTC · Resolved: 2026-10-15 18:56 UTC · Duration: 4.4 h
- Updates: 4 · Affected components: Login
- [Vendor status page: https://status.openai.com/incidents/01M506BA4XRSWH7THR53HQGN3Z](https://status.openai.com/incidents/01M506BA4XRSWH7THR53HQGN3Z)
- [Company: OpenAI](https://rewindex.com/company/openai.md)

## Summary

OpenAI reported major, widespread feature degradation, including login and signup issues in ChatGPT iOS/Android apps, starting 2026-10-15 14:30 UTC and lasting 4 h 26 min. A mitigation was applied at 17:13 UTC, and all impacted services fully recovered by 2026-10-15 18:56 UTC. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2026-10-15 16:29 UTC: We are investigating an issue affecting logins and signups across all ChatGPT mobile applications. We will provide updates as we learn more.
- **investigating** 2026-10-15 16:35 UTC: 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.
- **monitoring** 2026-10-15 17:13 UTC: We have applied the mitigation and are monitoring the recovery.
- **resolved** 2026-10-15 18:56 UTC: All impacted services have now fully recovered.

## Rewindex changes for this incident

- 2026-10-15 14:30 UTC: [Major incident: Widespread feature degradation](https://rewindex.com/change/id9f529880570c0.md)


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Canonical: https://rewindex.com/company/openai/incidents/01M506BA4XRSWH7THR53HQGN3Z · Markdown: https://rewindex.com/company/openai/incidents/01M506BA4XRSWH7THR53HQGN3Z.md · JSON: https://rewindex.com/api/v1/companies/openai/incidents/01M506BA4XRSWH7THR53HQGN3Z · Generated 2026-10-18T09:46:05.729Z