# GitHub Copilot: Some OpenAI models degraded in Copilot

> GitHub Copilot status incident “Some OpenAI models degraded in Copilot” on 2026-03-05: impact minor (vendor’s label), 26 min, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/github-copilot/incidents/t2p9yhsww5lc
Last updated: 2026-03-05T01:13:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-03-05 00:47 UTC · Resolved: 2026-03-05 01:13 UTC · Duration: 26 min
- Updates: 1
- [Vendor status page: https://www.githubstatus.com/incidents/t2p9yhsww5lc](https://www.githubstatus.com/incidents/t2p9yhsww5lc)
- [Company: GitHub Copilot](https://rewindex.com/company/github-copilot.md)

## Timeline of updates

- **resolved** 2026-03-05 01:13 UTC: On March 5th, 2026, between approximately 00:26 and 00:44 UTC, the Copilot service experienced a degradation of the GPT 3.5 Codex model due to an issue with our upstream provider. Users encountered elevated error rates when using GPT 3.5 Codex, impacting approximately 30% of requests. No other models were impacted. The issue was resolved by a mitigation put in place by our provider.

_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._

## Cite this

Status incident (vendor impact label: minor) posted by GitHub Copilot, started 2026-03-05 00:47 UTC, resolved after 26 min, 1 update(s).

- Canonical URL: https://rewindex.com/company/github-copilot/incidents/t2p9yhsww5lc
- Citation: GitHub Copilot, “Some OpenAI models degraded in Copilot” (2026-03-05 00:47 UTC). Archived by Rewindex: https://rewindex.com/company/github-copilot/incidents/t2p9yhsww5lc (CC BY 4.0).
- Markdown link: `[GitHub Copilot: Some OpenAI models degraded in Copilot (2026-03-05)](https://rewindex.com/company/github-copilot/incidents/t2p9yhsww5lc)`


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Canonical: https://rewindex.com/company/github-copilot/incidents/t2p9yhsww5lc · Markdown: https://rewindex.com/company/github-copilot/incidents/t2p9yhsww5lc.md · JSON: https://rewindex.com/api/v1/companies/github-copilot/incidents/t2p9yhsww5lc · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T13:29:47.639Z