# GitHub: Degraded availability for GPT-5.3 Codex and GPT-5.6 models in Copilot

> GitHub status incident “Degraded availability for GPT-5.3 Codex and GPT-5.6 models in Copilot” on 2026-11-09: impact major (vendor’s label), 43 min, 7 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/github/incidents/6jm5k16vyhfg
Last updated: 2026-11-10T00:13:49Z

- Impact (vendor’s label): major
- Status: resolved · edited after publishing
- Started: 2026-11-09 23:22 UTC · Resolved: 2026-11-10 00:05 UTC · Duration: 43 min
- Updates: 7 · Affected components: Copilot, Copilot AI Model Providers
- [Vendor status page: https://www.githubstatus.com/incidents/6jm5k16vyhfg](https://www.githubstatus.com/incidents/6jm5k16vyhfg)
- [Company: GitHub](https://rewindex.com/company/github.md)

## Timeline of updates

- **investigating** 2026-11-09 23:16 UTC: We are investigating reports of degraded availability for Copilot
- **investigating** 2026-11-09 23:16 UTC: We are experiencing degraded availability for GPT-5.3 Codex, GPT-5.6 Luna, and GPT-5.6 Sol in Copilot products and IDE surfaces due to an issue with an upstream model provider. We recommend choosing another model or selecting Auto to continue using Copilot until the issue is resolved.
- **investigating** 2026-11-09 23:22 UTC: Copilot AI Model Providers is experiencing degraded availability. We are continuing to investigate.
- **investigating** 2026-11-09 23:22 UTC: Copilot is operating normally.
- **monitoring** 2026-11-09 23:46 UTC: The degradation affecting Copilot AI Model Providers has been mitigated. We are monitoring to ensure stability.
- **monitoring** 2026-11-09 23:59 UTC: The issue affecting GPT-5.3 Codex, GPT-5.6 Luna, and GPT-5.6 Sol in Copilot products and IDE surfaces has been mitigated. We are monitoring the service to ensure stability.
- **resolved** 2026-11-10 00:05 UTC: This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A detailed root cause analysis will be shared as soon as it is available.

## Rewindex changes for this incident

- 2026-11-09 23:22 UTC: [Major incident: Degraded availability for GPT-5.3 Codex and GPT-5.6 models in Copilot](https://rewindex.com/change/ib0f4712de57615.md)
- 2026-11-09 23:53 UTC: [Incident updated: Degraded availability for GPT-5.3 Codex and GPT-5.6 models in Copilot](https://rewindex.com/change/r321d026ded3d8f.md)
- 2026-11-10 00:03 UTC: [Incident updated: Degraded availability for GPT-5.3 Codex and GPT-5.6 models in Copilot](https://rewindex.com/change/rd1bfa0ee845e01.md)
- 2026-11-10 00:13 UTC: [Incident updated: Degraded availability for GPT-5.3 Codex and GPT-5.6 models in Copilot](https://rewindex.com/change/r4f08f56f38a301.md)

## Cite this

Status incident (vendor impact label: major) posted by GitHub, started 2026-11-09 23:22 UTC, resolved after 43 min, 7 update(s); edited after publishing.

- Canonical URL: https://rewindex.com/company/github/incidents/6jm5k16vyhfg
- Citation: GitHub, “Degraded availability for GPT-5.3 Codex and GPT-5.6 models in Copilot” (2026-11-09 23:22 UTC). Archived by Rewindex: https://rewindex.com/company/github/incidents/6jm5k16vyhfg (CC BY 4.0).
- Markdown link: `[GitHub: Degraded availability for GPT-5.3 Codex and GPT-5.6 models in Copilot (2026-11-09)](https://rewindex.com/company/github/incidents/6jm5k16vyhfg)`


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Canonical: https://rewindex.com/company/github/incidents/6jm5k16vyhfg · Markdown: https://rewindex.com/company/github/incidents/6jm5k16vyhfg.md · JSON: https://rewindex.com/api/v1/companies/github/incidents/6jm5k16vyhfg · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-10T18:28:23.942Z