Disruption with some Copilot services

Event timeline

How this incident unfolded, from the official status page.

1. Investigating

   2 days ago

   GitHub

   We are investigating reports of impacted performance for some GitHub services.

2. Investigating

   2 days ago

   GitHub

   We are experiencing issues with upstream model providers resulting in a degraded experience across Copilot services. The team is actively investigating the issue.

3. Investigating

   2 days ago

   GitHub

   We are experiencing degraded availability for the GPT-5.3-Codex, GPT-5.6 Luna, GPT-6.1 Sol, GPT-5.6 Terra, GPT-6 Luna, and MAI Code 1.1 Flash models in Copilot products and IDE surfaces. This is due to an issue with an upstream model provider. While we work with them to resolve the issue we recommend choosing another model to continue using Copilot.

4. Investigating

   2 days ago

   GitHub

   We are experiencing degraded availability for the GPT-5.3-Codex, GPT-5.6 Luna, GPT-6.1 Sol, GPT-5.6 Terra, GPT-6 Luna, and MAI Code 1.1 Flash models in Copilot products and IDE surfaces. We have identified the root cause and working to apply a mitigation. While we work to resolve the issue we recommend choosing another model to continue using Copilot.

5. Investigating

   2 days ago

   GitHub

   We have applied the mitigation and are seeing signs of recovery. We will continue to monitor and expect full resolution soon.

6. Investigating

   2 days ago

   GitHub

   Copilot is experiencing degraded performance. We are continuing to investigate.

7. Monitoring

   2 days ago

   GitHub

   The degradation affecting Copilot has been mitigated. We are monitoring to ensure stability.