anthropic
We’ve suspended access to Claude Mythos 5 and Claude Fable 5
Status: monitoring | Severity: major_outage
Cite this incidentTimeline
Started: 2026-06-13T00:50:43.823Z
Updated: 2026-06-16T20:50:02.230Z
Impact scope
Impacted regions: None reported
Impacted models: None reported
Impacted components: rwppv331jlwc, k8w3r06qmzrp, yyzkbfz2thpt, bpp5gb3hpjcl
Official sources
Provider: anthropic
View official incident pageUpdates
monitoring
Learn more here: https://anthropic.com/news/fable-mythos-access
2026-06-13T00:50:44.031Z