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Incident detail

Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1

Resolved incidentMajor3 affected services

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Timeline

Incident updates

Every update on the official status source, oldest to newest, exactly as it appeared there.

  1. Investigating

    We are investigating elevated errors on requests to Claude Fable 5.1 and Claude Mythos 5.1. We will provide an update as soon as possible.

  2. Identified

    We have identified the cause of elevated errors on requests to Claude Mythos 5.1 and Claude Fable 5.1 and are working on a fix. We will provide an update as soon as possible.

  3. Monitoring

    A fix has been deployed for Claude Mythos 5.1 and Claude Fable 5.1 and we are monitoring for recovery.

  4. Monitoring

    A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.

  5. Resolved

    The issue affecting Claude services has been resolved. Impact occurred from 13:57 to 14:20 UTC

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