GitHub Enterprise Cloud EU incident

EU - Claude Opus 4 is experiencing degraded performance

Minor Resolved View vendor source →

GitHub Enterprise Cloud EU experienced a minor incident on September 24, 2025, lasting 10m. The incident has been resolved; the full update timeline is below.

Started
Sep 24, 2025, 09:08 AM UTC
Resolved
Sep 24, 2025, 09:18 AM UTC
Duration
10m
Detected by Pingoru
Sep 24, 2025, 09:08 AM UTC

Update timeline

  1. investigating Sep 24, 2025, 09:08 AM UTC

    We are currently investigating this issue.

  2. investigating Sep 24, 2025, 09:16 AM UTC

    Between around 8:16 UTC and 8:51 UTC we saw elevated errors on Claude Opus 4 and Opus 4.1, up to 49% of requests were failing. This has recovered to around 4% of requests failing, we are monitoring recovery.

  3. resolved Sep 24, 2025, 09:18 AM UTC

    Anthropic reported degraded Claude Opus 4 and 4.1 through their status page. We were seeing this affect our model(s) performance, where we activated the relevant warning messages directing users to try other models. This was resolved after an hour on Anthropic's end, and shortly after we saw recovery, returning to our baseline success rate.