Elevated rate of errors for OpenAI models provided by Copilot
At a glance · GitHub's status
ResolvedLasted 42 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 09:15 UTC on 31 Aug. GitHub marked it resolved at 09:58 UTC after 42 min. GitHub has since published a post-incident report.
GitHub says
GitHub's latest update, , in short excerpts.
Between 08:37 and 09:41 UTC on August 31, 2026, GitHub Copilot experienced degradation affecting several GPT models, including gpt-5.2, gpt-5.3-codex, gpt-5.4, gpt-5.4-mini, gpt-5.4-nano, and the…
Timeline
Times in UTC, GitHub's own where it gives them.
31 Aug
GitHubFirst public postFrom GitHub's own incident history, before our archive started.
+42 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 ·
Between 08:37 and 09:41 UTC on August 31, 2026, GitHub Copilot experienced degradation affecting several GPT models, including gpt-5.2, gpt-5.3-codex, gpt-5.4, gpt-5.4-mini, gpt-5.4-nano, and the…
Resolved ·
This incident has been resolved.
Investigating ·
The issues with our upstream model provider have been resolved, and gpt-5.3-codex, gpt-5.4-mini, gpt-5.4-nano, gpt-5.5, and the gpt-5.6 family of models are once again available…
Investigating ·
The degradation affecting Copilot AI Model Providers has been mitigated.
Investigating ·
One of our model providers has confirmed an incident on their end.
Investigating ·
Copilot is experiencing a higher rate of errors for OpenAI models, including gpt-5.2, gpt-5.3-codex, gpt-5.4, gpt-5.4, and the gpt-5.6 family of models.
Investigating ·
We are investigating reports of degraded performance for Copilot AI Model Providers
Last updated