Disruption with some GitHub services

Cronologia

1. 09:47 UTC Pagina di stato di GitHub Copilot · Reported Disruption with some GitHub services
2. 09:47 UTC Pagina di stato di GitHub Copilot · In analisi We are investigating reports of impacted performance for some GitHub services.
3. 09:48 UTC Pagina di stato di GitHub Copilot · In osservazione We are investigating degraded availability for Claude Fable 5.1, affecting some Copilot products and integrated development environments. The issue is caused by a problem with our upstream model provider. Customers can use another model or select Auto while we investigate.
4. 10:20 UTC Pagina di stato di GitHub Copilot · In analisi Copilot AI Model Providers is experiencing degraded performance. We are continuing to investigate.
5. 10:32 UTC Pagina di stato di GitHub Copilot · In analisi We continue to investigate intermittent errors affecting Claude Fable 5.1 in some Copilot products and integrated development environments. Customers can use another model or select Auto while we monitor the situation.
6. 11:09 UTC Pagina di stato di GitHub Copilot · In analisi We continue to monitor intermittent errors affecting Claude Fable 5.1 in some Copilot products and integrated development environments. Customer-facing metrics have recovered, and we are awaiting confirmation from our upstream provider that the issue will not recur. Customers can select another model or Auto in the meantime.
7. 11:17 UTC Pagina di stato di GitHub Copilot · In analisi The issues with our upstream model provider have been resolved, and Claude Fable 5.1 is once again available in Copilot products and IDE surfaces. We will continue monitoring to ensure stability, but mitigation is complete.
8. 11:17 UTC Pagina di stato di GitHub Copilot · Risolto On September 15, 2026, between 05:45 and 09:50 UTC, the Claude Fable 5.1 model in GitHub Copilot experienced intermittently degraded availability, with an average error rate of 2.8%. During brief recurring 15 minute periods that recurred every ~45 minutes, availability for Claude Fable 5.1 dropped to a maximum of ~40% before recovering completely. Other Copilot models were not affected. Users could continue to work with a different model or with 'Auto'. The cause was an issue with an upstream model provider that intermittently rejected requests while overloaded. GitHub worked with the…