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Anthropic · AIAug 24, 2026, 05:06 UTC

Elevated errors for multiple models

MajorNot disclosedUpdated 20h ago
Aug 24, 05:06 UTCAug 24, 08:30 UTC
Duration
3h 24m
Impact
Major
Root cause
Not disclosed
Anthropic, 90 days
94 incidents
Affected
claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Status page

Final update

This 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.

Timeline

  1. Resolved · Aug 24, 08:30 UTC
    This 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. Identified · Aug 24, 07:47 UTC
    At 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. Identified · Aug 24, 06:42 UTC
    We are continuing to work to resolve issues causing elevated requests on multiple models. We will provide an update as soon as possible.
  4. Identified · Aug 24, 05:27 UTC
    We 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. Investigating · Aug 24, 05:06 UTC
    We 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.

More from Anthropic

Full history

From vendors' own status pages and disclosures. Times as reported. Logos via logo.dev; trademarks belong to their owners.

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