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GitHub Copilot: Claude Opus 4.5 model experiencing degraded performance
Timeline of updates
- resolved
On January 14th, 2026, between approximately 10:20 and 11:25 UTC, the Copilot service experienced a degradation of the Claude Opus 4.5 model due to an issue with our upstream provider. During this time period, users encountered a 4.5% error rate when using Claude Opus 4.5. No other models were impacted. The issue was resolved by a mitigation put in place by our provider. GitHub is working with our provider to further improve the resiliency of the service to prevent similar incidents in the future.
From GitHub Copilot’s published incident history: for incidents before Rewindex began polling this status page, only the final update text is available.
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This incident predates live tracking (October 17, 2026). It came from the vendor’s own published history, which is not covered by checkpoints.
Impact, status and times are the vendor’s own, as last archived. View on www.githubstatus.com (opens in new tab).
Cite this
Status incident (vendor impact label: minor) posted by GitHub Copilot, started 2026-01-14 10:56 UTC, resolved after 1.4 h, 1 update(s).
- Title
- Claude Opus 4.5 model experiencing degraded performance
- Vendor
- GitHub Copilot
- Date
- URL
- https://rewindex.com/company/github-copilot/incidents/4htf8bgy1xlz
GitHub Copilot profileRecent GitHub Copilot incidentsAll outages on January 14, 2026GitHub Copilot in January 2026MarkdownJSON