Elevated errors for Claude Sonnet 5.5 and other models

4 up0 degraded0 down1 unknown
Snapshot 18:25:40 UTC updates every 60s

Official incident · Claude Code

Elevated errors for Claude Sonnet 5.5 and other models

resolved · 2026-10-25 06:14:18 UTC · Resolved 2026-10-25 07:53:39 UTC

Official component matchmajorclaude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork

Official updates

  1. resolved

    The issue affecting Claude services has been resolved. Impact occurred from 23:05 PT on October 24 / 06:05 UTC on October 25 to 23:35 PT on October 24 / 06:35 UTC on October 25.

  2. monitoring

    A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.

  3. identified

    We have identified the cause of elevated errors on requests to Claude Sonnet 5.5 and are working on a fix. We will provide an update as soon as possible.

  4. investigating

    We are investigating elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, Claude Opus 5.5, Claude Sonnet 5.5, and Claude Haiku 5.5. We will provide an update as soon as possible.

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