EU - Copilot's GPT-5.1 model has degraded performance
Incident
Report for GitHub Enterprise Cloud - EU
Resolved
This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A detailed root cause analysis will be shared as soon as it is available.
Update
We are continuing to investigate issues with the GPT-5.1 model. We are also seeing an increase in failures for Copilot Code Reviews.
Update
We are continuing to investigate issues with the GPT-5.1 model with our model provider. Uses of other models are not impacted.
Update
Copilot is experiencing degraded performance when using the GPT-5.1 model. We are investigating the issue.
Investigating
We are investigating reports of degraded performance for Copilot
This incident affected: Copilot.
Subscribe to our developer newsletter
Get tips, technical guides, and best practices. Twice a month. Right in your inbox.
Subscribe