Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1

Resolved

Major impact

Started

Lasted 16m

View official incident ↗

Updates

  1. Resolved

    The issue affecting Claude Mythos 5.1 and Claude Fable 5.1 has been resolved. Impact occurred from 05:40 PT / 12:40 UTC to 06:10 PT / 13:10 UTC.

  2. Investigating

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