GitHub Copilot reported this major-impact incident on its official status page on Sep 16, 2026, 07:20 UTC. It was resolved after 10h 28m.
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On September 16, 2026, between 04:40 and 11:45 UTC, the Gemini 3.8 Flash model in GitHub Copilot experienced degraded availability. Requests to this model failed at an average rate of 6.4%, and the impact was highest during peak traffic hours. Other Copilot models were not affected. Users could continue to work with a different model or with 'Auto'.<br /><br />The degradation was caused due to a capacity issue with an upstream model provider. Failure rates returned to normal as the daily traffic peak passed. We monitored the model until it was healthy and resolved the incident at 17:48 UTC. We are working to make our systems resilient to cover peak demand for all the Copilot models.
The degradation affecting Copilot AI Model Providers has been mitigated. We are monitoring to ensure stability.
Copilot AI Model Providers is experiencing degraded performance. We are continuing to investigate.
Copilot AI Model Providers is experiencing degraded performance. We are continuing to investigate.
We are investigating reports of degraded availability for Copilot AI Model Providers
Our 5-minute checks didn't record a change in GitHub Copilot's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.
Overlapping incidents aren't necessarily related.
GitHub Copilot reported 15 incidents in the last 90 days, 5 of them major or critical. A typical incident lasted 1h 14m. See GitHub Copilot's uptime and incident history