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Claude incident

Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1

Resolved after 15 min.

Started
Ended
Worst state
Partial outage
On Claude’s status page
Source
Components
Claude API (api.anthropic.com), Claude Code, Claude Cowork, claude.ai

Live Claude status Full Claude outage history

Timeline

  1. Claude status page · Reported Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1
  2. Claude status page · 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.
  3. Claude status page · 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.

Cite this incident

Site Qwality, “Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1,” Oct 5, 2026, https://siteqwality.com/is-claude-down/incidents/claude-202610051305/

Free to quote with a link to this page.