Elevated errors on GPT-5.4 Nano

Timeline

1. 17:46 UTC GitHub Copilot status page · Reported Elevated errors on GPT-5.4 Nano
2. 17:46 UTC GitHub Copilot status page · Investigating We are investigating reports of degraded performance for Copilot AI Model Providers
3. 17:46 UTC Site Qwality checks · Degraded Official status: Elevated errors on GPT-5.4 Nano
4. 17:46 UTC GitHub Copilot status page · Investigating We are investigating reports of elevated errors on GPT-5.4 Nano
5. 17:58 UTC GitHub Copilot status page · Investigating We are experiencing degraded availability for the GPT-5.4 Nano model in Copilot products and IDE surfaces. This is due to an issue with an upstream model provider.
6. 18:10 UTC GitHub Copilot status page · Monitoring The degradation affecting Copilot AI Model Providers has been mitigated. We are monitoring to ensure stability.
7. 18:24 UTC GitHub Copilot status page · 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.
8. 18:24 UTC Site Qwality checks · Operational Checks clean again