GitHub incident
Elevated rate of errors for OpenAI models provided by Copilot
GitHub experienced a minor incident on August 31, 2026 affecting Copilot AI Model Providers, lasting 42m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Aug 31, 2026, 09:15 AM UTC
We are investigating reports of degraded performance for Copilot AI Model Providers
- investigating Aug 31, 2026, 09:22 AM UTC
Copilot is experiencing a higher rate of errors for OpenAI models, including gpt-5.2, gpt-5.3-codex, gpt-5.4, gpt-5.4, and the gpt-5.6 family of models. Other models are not impacted.
- investigating Aug 31, 2026, 09:48 AM UTC
One of our model providers has confirmed an incident on their end. We have provided them details to help identify the issue. We are starting to see recovery.
- monitoring Aug 31, 2026, 09:51 AM UTC
The degradation affecting Copilot AI Model Providers has been mitigated. We are monitoring to ensure stability.
- monitoring Aug 31, 2026, 09:58 AM UTC
The issues with our upstream model provider have been resolved, and gpt-5.3-codex, gpt-5.4-mini, gpt-5.4-nano, gpt-5.5, and the gpt-5.6 family of models are once again available in Copilot products and IDE surfaces. We will continue monitoring to ensure stability, but mitigation is complete.
- resolved Aug 31, 2026, 09:58 AM UTC
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.