Elevated errors for multiple models

claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork

1. 24 Aug 08:30 UTCResolvedThis issue has been resolved. From 9:50pm PT / 04:50 UTC through 00:36am PT / 07:36 UTC, users saw elevated errors on requests to Claude models, including Claude Opus 5 and Fable 5.
2. 24 Aug 07:47 UTCUpdateAt this time, we have seen errors stabilize on Opus 5 and Fable 5, and are working to fully resolve success rates on all affected models. We will provide an update as soon as possible.
3. 24 Aug 06:42 UTCUpdateWe are continuing to work to resolve issues causing elevated requests on multiple models. We will provide an update as soon as possible.
4. 24 Aug 05:27 UTCIdentifiedWe have identified the cause of elevated errors on requests to Claude Mythos 5, Claude Fable 5, Claude Opus 5, and other Claude models and are working on a fix. We will provide an update as soon as possible.
5. 24 Aug 05:06 UTCInvestigatingWe are investigating elevated errors on requests to Claude Mythos 5, Claude Fable 5, Claude Opus 5, and Claude Opus 4.8. We will provide an update as soon as possible.

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