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Claude incident

Elevated errors for Claude Sonnet 5.5

Resolved after 41 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 Sonnet 5.5
  2. Claude status page · Identified We are investigating elevated errors on requests to Claude Sonnet 5.5. We will provide an update as soon as possible.
  3. Claude status page · Resolved The issue affecting claude.ai, the Claude API, Claude Code, and Claude Cowork has been resolved. Impact occurred from 07:42 PT / 14:42 UTC to 08:17 PT / 15:17 UTC.

Cite this incident

Site Qwality, “Elevated errors for Claude Sonnet 5.5,” Oct 27, 2026, https://siteqwality.com/is-claude-down/incidents/claude-202610271509/

Free to quote with a link to this page.