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Incident detail

Elevated errors for Claude Sonnet 5.5

Resolved incidentMajor3 affected services

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Timeline

Incident updates

Every update on the official status source, oldest to newest, exactly as it appeared there.

  1. Identified

    We are investigating elevated errors on requests to Claude Sonnet 5.5. We will provide an update as soon as possible.

  2. 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.

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