# ChatGPT: Elevated error rates for gpt-5.6-luna API requests

- Impact (vendor’s label): minor
- Status: resolved · edited after publishing
- Started: 2026-10-21 15:34 UTC · Resolved: 2026-10-21 16:44 UTC · Duration: 1.1 h
- Updates: 3 · Affected components: Chat Completions, Responses
- [Vendor status page: https://status.openai.com/incidents/01M5FHKHPQJMSHCE2B2WDPZW2N](https://status.openai.com/incidents/01M5FHKHPQJMSHCE2B2WDPZW2N)
- [Company: ChatGPT](https://rewindex.com/company/chatgpt.md)

## Timeline of updates

- **identified** 2026-10-21 15:34 UTC: We have identified that users are experiencing elevated errors for the impacted services. We are working on implementing a mitigation.
- **monitoring** 2026-10-21 15:47 UTC: We have applied the mitigation and are monitoring the recovery.
- **resolved** 2026-10-21 16:44 UTC: All impacted services have now fully recovered.

## Rewindex changes for this incident

- 2026-10-21 15:53 UTC: [Incident updated: Elevated error rates for gpt-5.6-luna API requests](https://rewindex.com/change/rb282294ec26e87.md)
- 2026-10-21 16:53 UTC: [Incident updated: Elevated error rates for gpt-5.6-luna API requests](https://rewindex.com/change/ra3a5b1042112a9.md)


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Canonical: https://rewindex.com/company/chatgpt/incidents/01M5FHKHPQJMSHCE2B2WDPZW2N · Markdown: https://rewindex.com/company/chatgpt/incidents/01M5FHKHPQJMSHCE2B2WDPZW2N.md · JSON: https://rewindex.com/api/v1/companies/chatgpt/incidents/01M5FHKHPQJMSHCE2B2WDPZW2N · Generated 2026-10-22T00:32:53.278Z