Incident

Elevated errors for multiple models

This issue has been resolved. From 11:30am PT / 18:30 UTC through to 3:15pm PT / 22:15 UTC some users experienced elevated errors on requests to Claude Models. Most errors were experienced within the first hour of the impact window.

resolved
Incident ID
#46b61175
Impact
major
Components
anthropic

Updates

  1. investigating Jul 17, 2026, 2:36 AM GMT+08:00

    We are investigating elevated errors on requests to multiple models. We will provide an update as soon as possible.

  2. identified Jul 17, 2026, 3:14 AM GMT+08:00

    We have identified the cause of elevated errors on requests to multiple models, and are working to resolve this issue. We will provide an update as soon as possible.

  3. identified Jul 17, 2026, 4:07 AM GMT+08:00

    We are continuing to work to resolve issues resulting in elevated errors on requests to some Anthropic models. We will provide additional updates as soon as possible.

  4. identified Jul 17, 2026, 4:58 AM GMT+08:00

    At this time, we are seeing recovery on requests to most models. We are continuing to see elevated errors on requests to Claude Fable 5 and Mythos 5, and are working to resolve these remaining issues. We will provide an additional update as soon as possible.

  5. monitoring Jul 17, 2026, 6:01 AM GMT+08:00

    We have seen success rates recover and are continuing to monitor closely to ensure no further issues. We will provide an additional update shortly.

  6. resolved Jul 17, 2026, 6:53 AM GMT+08:00

    This issue has been resolved. From 11:30am PT / 18:30 UTC through to 3:15pm PT / 22:15 UTC some users experienced elevated errors on requests to Claude Models. Most errors were experienced within the first hour of the impact window.

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