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Claude incident

Elevated errors for Claude Sonnet 5.5

Resolved after 42 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 · Investigating 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 · Monitoring A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.
  4. Claude status page · Resolved The issue affecting Claude services has been resolved.

Cite this incident

Site Qwality, “Elevated errors for Claude Sonnet 5.5,” Oct 27, 2026, https://siteqwality.com/is-claude-down/incidents/claude-202610270914/

Free to quote with a link to this page.