Disruption with some GitHub services
At a glance · GitHub's status
ResolvedLasted 1 h 30 min
- First posted
- on GitHub Status
- Ended
- · marked resolved
- Affects
- GitHub Copilot AI model providers
- Edited
- Not since we first saw it
- Source
- GitHub Status · checked just now
In short
GitHub reported degraded service affecting GitHub Copilot AI model providers, starting 09:47 UTC on 15 Sep. GitHub marked it resolved at 11:17 UTC after 1 h 30 min.
GitHub says
GitHub's latest update, , in short excerpts.
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…
Timeline
Times in UTC, GitHub's own where it gives them.
15 Sep
GitHubFirst public postFrom GitHub's own incident history, before our archive started.
+1 min
GitHubMitigated, now monitoring
+1 h 30 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: resolved · 1 service
- Status
- resolved
- Services
- GitHub Copilot AI model providers
Seen by us · GitHub's timestamp · GitHub's page
Affected services
Official updates
Posted by GitHub Status, newest first. The newest are quoted in their first sentence; the full text of each is on GitHub's page.
Resolved ·
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…
Investigating ·
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.<br /><br…
Investigating ·
We continue to monitor intermittent errors affecting Claude Fable 5.1 in some Copilot products and integrated development environments.
Investigating ·
We continue to investigate intermittent errors affecting Claude Fable 5.1 in some Copilot products and integrated development environments.
Investigating ·
Copilot AI Model Providers is experiencing degraded performance.
Monitoring ·
We are investigating degraded availability for Claude Fable 5.1, affecting some Copilot products and integrated development environments.
Investigating ·
We are investigating reports of impacted performance for some GitHub services.
Last updated