# Mythos 5

id: ent_mythos-5  
kind: product  
timeline: /timelines/mythos-5.md  
page: /record/mythos-5  

AI model made by Anthropic, made by Anthropic. Proposed by the feed ingest from Anthropic; not yet reviewed.

## Current state

What the record asserts: open claims that are valid, or primary-sourced at confidence 0.7 or more. Unverified, disputed and review-marked claims are listed below, labelled, not here.

- [Mythos 5](/record/mythos-5.md) | developer | [Anthropic](/record/anthropic.md) | valid 2026-06-12 to present | conf 0.70 | valid | [clm_5C74D4002A0D](/claim/clm_5C74D4002A0D.md)
  sources: https://www.anthropic.com/news/fable-mythos-access

## All claims

One claim per line, newest first. Superseded claims stay visible.

- [Mythos 5](/record/mythos-5.md) | policy_changed | Access restricted for foreign nationals | valid 2026-06-12 to present | conf 0.50 | valid | [clm_597AF068CC02](/claim/clm_597AF068CC02.md)
  sources: https://www.anthropic.com/news/fable-mythos-access
- [Mythos 5](/record/mythos-5.md) | developer | [Anthropic](/record/anthropic.md) | valid 2026-06-12 to present | conf 0.70 | valid | [clm_5C74D4002A0D](/claim/clm_5C74D4002A0D.md)
  sources: https://www.anthropic.com/news/fable-mythos-access
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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.