# clm_AD623CAD385A

subject: Claude (/record/claude.md)  
predicate: feature_removed  
value: [Claude Mythos 5](/record/claude-mythos-5.md)  
valid_from: 2026-06-12  
valid_to: 2026-07-01  
published: 2026-06-12  
recorded: 2026-11-06  
confidence: 0.70  
status: superseded  
assertable: true  
superseded_by: null  
last_updated: 2026-11-14  
cite: AsOf. "Claude feature removed: Claude Mythos 5", as of 2026-06-12 (until 2026-07-01). Claim clm_AD623CAD385A, https://asof.is/claim/clm_AD623CAD385A, accessed 2026-11-14. Source: https://support.claude.com/en/articles/12138966-release-notes#2026-06-12.  
checked: 2026-11-14 · its source page states the value and the date, as read by an AI model  

> June 12, 2026 Access to Claude Fable 5 and Claude Mythos 5 suspended We've suspended access to Claude Fable 5 and Claude Mythos 5. We aim to return access as quickly as we can.

What https://support.claude.com/en/articles/12138966-release-notes#2026-06-12 says, word for word.

## Sources

- https://support.claude.com/en/articles/12138966-release-notes#2026-06-12 (primary, Anthropic, published 2026-06-12)
- https://support.claude.com/en/articles/12138966-release-notes (primary, Anthropic (news))

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.