Claude outage — September 11, 2026
What broke: Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1
Started: September 11, 2026, 7:19 am PT
Total downtime: 19 min
Severity: Partial outage
What broke: Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1
Started: September 11, 2026, 7:19 am PT
Total downtime: 19 min
Severity: Partial outage