Incident with Copilot AI Model Providers
At a glance · GitHub's status
ResolvedLasted 1 h 44 min
- First posted
- on GitHub Enterprise Cloud data residency status
- Ended
- · marked resolved
- Affects
- GitHub Enterprise Cloud US
- Edited
- Not since we first saw it
- Source
- GitHub Enterprise Cloud data residency status · checked just now
In short
GitHub reported a partial outage affecting GitHub Enterprise Cloud US, starting 20:07 UTC on 29 Jul. GitHub marked it resolved at 21:51 UTC after 1 h 44 min. GitHub has since published a post-incident report.
GitHub says
GitHub's latest update, , in short excerpts.
On July 29, 2026, between 19:45 UTC and 21:51 UTC, users of the Fable 5 model in GitHub Copilot experienced increased request failures and latency.
Timeline
Times in UTC, GitHub's own where it gives them.
29 Jul
GitHubFirst public postFrom GitHub's own incident history, before our archive started.
+1 h 44 min
GitHubResolved
What GitHub changed
GitHub adds updates to its incidents. We save every version (checked every minute) and list what changed. Quotes are short excerpts. The full text is on GitHub's page.
One version so far. If GitHub edits it, each change shows here with what was removed and added.
First version we captured ·
As first seen: postmortem · 1 service
- Status
- postmortem
- Services
- GitHub Enterprise Cloud US
Seen by us · GitHub's timestamp · GitHub's page
Affected services
Official updates
Posted by GitHub Enterprise Cloud data residency status, newest first. The newest are quoted in their first sentence; the full text of each is on GitHub's page.
Post-incident report ·
On July 29, 2026, between 19:45 UTC and 21:51 UTC, users of the Fable 5 model in GitHub Copilot experienced increased request failures and latency.
Resolved ·
This incident has been resolved.
Investigating ·
The external ai model provider has resolved the issues, and we have verified Copilot's traffic is fully recovered.
Investigating ·
The external AI model provider is continuing to investigate.
Investigating ·
The external AI model provider has identified the issue and is working to resolve.
Investigating ·
We are investigating increased error rates affecting GitHub Copilot requests to external AI model providers.
Investigating ·
We are seeing increased error rates with requests to specific model providers.
Investigating ·
We are investigating reports of degraded performance for Copilot AI Model Providers
Last updated