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Claude Code incident

Elevated errors for multiple models

Resolved after 1 h 37 min.

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

Live Claude Code status Full Claude Code outage history

Timeline

  1. Claude Code status page · Reported Elevated errors for multiple models
  2. Claude Code status page · Investigating We are investigating elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5. We will provide an update as soon as possible.
  3. Claude Code status page · Identified We have identified the cause of elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 and are working on a fix. We will provide an update as soon as possible.
  4. Claude Code status page · Identified We are continuing to work to resolve errors affecting some models. At this time, requests to Claude Fable 5 and 5.1 and Mythos 5 and 5.1 have returned to normal success rates. We are working to resolve remaining errors affecting Claude Opus 5, and will provide an additional update shortly.
  5. Claude Code status page · Monitoring We have seen success rates return to normal across affected models, and are monitoring closely to ensure no further issues.
  6. Claude Code status page · Resolved This issue has been resolved. Impact occurred from 5:50pm PT / 00:50 UTC to 7:10pm PT / 02:10 UTC.

Cite this incident

Site Qwality, “Elevated errors for multiple models,” Sep 22, 2026, https://siteqwality.com/is-claude-code-down/incidents/claude-code-202609220057/

Free to quote with a link to this page.