GitHub outage on 9 November 2026
An email when it goes down, and when it’s back.
“Degraded availability for GPT-5.3 Codex and GPT-5.6 models in Copilot”
On 9 November, GitHub reported degraded availability for the GPT-5.3 Codex, GPT-5.6 Luna and GPT-5.6 Sol models in Copilot products and IDE surfaces. The incident was open from 23:16 to 00:05 UTC on 10 November, about 49 minutes. The status page showed component impact only from 23:16 to 23:46, and said the model issue was mitigated at 23:59. GitHub's status page attributed the problem to an issue with an upstream model provider, and OpenAI and Cursor also reported elevated errors at the same time.
GitHub’s own incident page ↗- When
- 23:17–00:06 UTC
- How long
- 49 min
- Incident open on its page
- 23:16–00:05 UTC
- Components affected
- 2
- GitHub, 30 days before
- 10 other outages
What broke when
From GitHub’s own status page: when it moved each component into trouble, and back.
At the same time
Started in the hour before or during it
And 86 lesser-known services. Problems at the same time are a clue, never proof that one caused another.
Timeline
Times in UTC
- Investigating
- Copilot: partial outage
- Copilot AI Model Providers: partial outage
- Copilot: back to normal
- Fix in place, monitoring
- Copilot AI Model Providers: back to normal
- Resolved
Where this comes from
Stackpulse reads GitHub’s official status page at www.githubstatus.com every minute. The times above are when it reported the problem; the summary is written from its updates and checked against them.
Stackpulse isn’t affiliated with GitHub. Names and logos belong to their owners.