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

- Provider: [Anthropic](https://down.guide/providers/anthropic)
- Confidence: Confirmed
- Impact: Major outage
- lasted 18d 18h
- started 2026-06-13 00:50 UTC
- claude.ai, Claude API (api.anthropic.com), Claude Code +1
- id: DWN-b7f0e262d7
- Official page: https://stspg.io/fz0grf4rq5f2

## Updates from Anthropic
### 2026-06-13 00:50 UTC: monitoring
Learn more here: https://anthropic.com/news/fable-mythos-access

### 2026-07-01 19:26 UTC: resolved
Learn more here: https://anthropic.com/news/redeploying-fable-5

From the builder: does your app depend on Anthropic? [Sazabi](https://www.sazabi.com/?utm_source=down-guide&utm_medium=markdown&utm_content=anthropic) detects problems in your own logs without hand-written monitors, and you can ask it in plain language which errors mention Anthropic.

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