Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1
Claude Status · Resolved
Status
Resolved
Severity
Unknown
Started
Oct 05, 2026 13:05 UTC
Resolved
Oct 05, 2026 13:21 UTC
Timeline
Resolved
·
Claude Status
·
Oct 05 13:21 UTC
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.
Investigating
·
Claude Status
·
Oct 05 13:05 UTC
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.