Global IT infrastructure status

ANTHROPIC (CLAUDE)

🟢 Operational

Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1

Resolved

Started
2026-10-05 13:05 UTC
32 days ago
Last update
2026-10-05 13:21 UTC
32 days ago
Duration
15m

Timeline

  1. 05 Oct · 13:21 UTC 🟡 Resolved atom

    Oct 5, 13:21 UTC
    Resolved - The issue affecting Claude Mythos 5.1 and Claude Fable 5.1 has been resolved. Impact occurred from 05:40 PT / 12:40 UTC to 06:10 PT / 13:10 UTC.

    Oct 5, 13:05 UTC
    Investigating - We are investigating elevated errors on requests to Claude Mythos 5.1 and Claude Fable 5.1. We will provide an update as soon as possible.

  2. 05 Oct · 13:05 UTC 🟡 Investigating atom

    Oct 5, 13:05 UTC
    Investigating - We are investigating elevated errors on requests to Claude Mythos 5.1 and Claude Fable 5.1. We will provide an update as soon as possible.

Source

Official Anthropic (Claude) status — view original incident ↗

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