Disruption with GPT-5-mini in Copilot
Final update
On Oct 14th, 2025, between 13:34 UTC and 16:00 UTC the Copilot service was degraded for GPT-5 mini model. On average, 18% of the requests to GPT-5 mini failed due to an issue with our upstream provider. We notified the upstream provider of the problem as soon as it was detected and mitigated the issue by failing over to other providers. The upstream provider has since resolved the issue. We are working to improve our failover logic to mitigate similar upstream failures more quickly in the future.
Timeline
- Resolved · Oct 14, 16:00 UTC
On Oct 14th, 2025, between 13:34 UTC and 16:00 UTC the Copilot service was degraded for GPT-5 mini model. On average, 18% of the requests to GPT-5 mini failed due to an issue with our upstream provider. We notified the upstream provider of the problem as soon as it was detected and mitigated the issue by failing over to other providers. The upstream provider has since resolved the issue. We are working to improve our failover logic to mitigate similar upstream failures more quickly in the future.
More from GitHub
Full history| Started | Incident | Impact | Duration |
|---|---|---|---|
| Sep 2416:51 UTC | Disruption with billing information updates | minor | 3h 50m |
| Sep 2310:11 UTC | Incident across several services | minor | 18h 44m |
| 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 |
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 |
Sources: vendors' own status pages, published postmortems and SEC 8-K Item 1.05 filings, read daily. Times as reported. Logos via logo.dev; trademarks belong to their owners.