Incident with Copilot
Jan 6, 08:56 UTCJan 6, 10:08 UTC
Duration
1h 12m
Impact
Minor
Root cause
Dependency
GitHub, 90 days
69 incidents
Affected
Not listed by the vendor.
Final update
On January 6th, 2026, between approximately 8:41 and 10:07 UTC, the Copilot service experienced a degradation of the GPT-5.1-Codex-Max model due to an issue with our upstream provider. During this time, up to 14.17% of requests to GPT-5.1-Codex-Max failed. 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.
Timeline
- Resolved · Jan 6, 10:08 UTC
On January 6th, 2026, between approximately 8:41 and 10:07 UTC, the Copilot service experienced a degradation of the GPT-5.1-Codex-Max model due to an issue with our upstream provider. During this time, up to 14.17% of requests to GPT-5.1-Codex-Max failed. 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.