Incident with Copilot
Final update
On October 3rd, between approximately 10:00 PM and 11:30 Eastern, the Copilot service experienced degradation due to an issue with our upstream provider. Users encountered elevated error rates when using the following Claude models: Claude Sonnet 3.7, Claude Opus 4, Claude Opus 4.1, Claude Sonnet 4, and Claude Sonnet 4.5. No other models were impacted. The issue was mitigated by temporarily disabling affected endpoints while our provider resolved the upstream issue. GitHub is working with our provider to further improve the resiliency of the service to prevent similar incidents in the future.
Timeline
- Resolved · Oct 3, 03:47 UTC
On October 3rd, between approximately 10:00 PM and 11:30 Eastern, the Copilot service experienced degradation due to an issue with our upstream provider. Users encountered elevated error rates when using the following Claude models: Claude Sonnet 3.7, Claude Opus 4, Claude Opus 4.1, Claude Sonnet 4, and Claude Sonnet 4.5. No other models were impacted. The issue was mitigated by temporarily disabling affected endpoints while our provider resolved the upstream issue. GitHub is working with our provider to further improve the resiliency of the service to prevent similar incidents in the future.
More from GitHub
Full history| Started | Incident | Impact | Duration |
|---|---|---|---|
| Sep 2310:11 UTC | Incident across several services | minor | Ongoing |
| Sep 2022:13 UTC | Incident with Pull Requests | minor | 1h 9m |
| Sep 1720:59 UTC | Elevated rate of errors for OpenAI models provided by Copilot | minor | 50m |
| Sep 1607:20 UTC | Degradation with Gemini 3.8 Flash | major | 10h 28m |
| Sep 1519:11 UTC | Disruption with some GitHub services | minor | 49m |
| Sep 1509:47 UTC | Disruption with some GitHub services | minor | 1h 30m |
Also caused by third-party dependency
All| Started | Vendor | Incident | Impact | Duration |
|---|---|---|---|---|
| Sep 1609:48 UTC | Support Portal Service Disruption | minor | 11h 21m | |
| Sep 1608:31 UTC | Support Helpdesk Availability Issues | minor | 6h 27m | |
| Sep 417:03 UTC | Degradation of Hosted Grafana in US Central Region | major | 3h 39m | |
| Sep 416:05 UTC | Elevated Linux worker queue times | major | 15h 4m | |
| Sep 115:25 UTC | Investigating issues in US Central (prod-us-central-0, prod-us-central-5) | minor | 4h 54m | |
| Aug 3106:26 UTC | Packet loss in ORD | minor | 1h 44m |
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