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 EU
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 EU, 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…

GitHub,

Read the full update on GitHub's status page

Timeline

Times in UTC, GitHub's own where it gives them.

  1. 31 Aug

    GitHubFirst public postFrom GitHub's own incident history, before our archive started.

  2. +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.

  1. First version we captured ·

    As first seen: postmortem · 1 service
    Status
    postmortem
    Services
    GitHub Enterprise Cloud EU

    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.

  1. 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…

  2. Resolved ·

    This incident has been resolved.

  3. 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…

  4. Investigating ·

    The degradation affecting Copilot AI Model Providers and Copilot AI Model Providers has been mitigated.

  5. Investigating ·

    One of our model providers has confirmed an incident on their end.

  6. 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.

  7. Investigating ·

    We are investigating reports of degraded performance for Copilot AI Model Providers and Copilot AI Model Providers

Read the full update on GitHub's status page

Last updated