Skip to content
Anthropic · AIJun 13, 2026, 00:50 UTC

We’ve suspended access to Claude Mythos 5 and Claude Fable 5

CriticalNot disclosedUpdated 21h ago
Jun 13, 00:50 UTCJul 1, 19:26 UTC
Duration
18d 18h
Impact
Critical
Root cause
Not disclosed
Anthropic, 90 days
94 incidents
Affected
Not listed by the vendor.
Status page

Final update

Learn more here: https://anthropic.com/news/redeploying-fable-5

Timeline

  1. Resolved · Jul 1, 19:26 UTC
    Learn more here: https://anthropic.com/news/redeploying-fable-5

More from Anthropic

Full history

From vendors' own status pages and disclosures. Times as reported. Logos via logo.dev; trademarks belong to their owners.

Weekly: the week's major outages, postmortems and breaches, Saturday mornings.