Incidentsby GlyphIncident with Copilot Grok Code Fast 1
Dec 15, 14:12 UTCDec 15, 15:45 UTC
Duration
1h 33m
Impact
Minor
Root cause
Dependency
GitHub, 90 days
69 incidents
Affected
Not listed by the vendor.
Final update
On Dec 15th, 2025, between 14:00 UTC and 15:45 UTC the Copilot service was degraded for Grok Code Fast 1 model. On average, 4% of the requests to this model failed due to an issue with our upstream provider. No other models were impacted. The issue was resolved after the upstream provider fixed the problem that caused the disruption. GitHub will continue to enhance our monitoring and alerting systems to reduce the time it takes to detect and mitigate similar issues in the future.
Timeline
- Resolved · Dec 15, 15:45 UTC
On Dec 15th, 2025, between 14:00 UTC and 15:45 UTC the Copilot service was degraded for Grok Code Fast 1 model. On average, 4% of the requests to this model failed due to an issue with our upstream provider. No other models were impacted. The issue was resolved after the upstream provider fixed the problem that caused the disruption. GitHub will continue to enhance our monitoring and alerting systems to reduce the time it takes to detect and mitigate similar issues in the future.