Claude Code 故障：Elevated errors for Claude Sonnet 5.5 and other models（claude.ai, Claude API (api.anthropic.com), Claude Code） — Oct 25, 2026

官方更新

1. resolved2026-10-25 07:53:39 UTC

   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. monitoring2026-10-25 06:35:59 UTC

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

3. identified2026-10-25 06:27:52 UTC

   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. investigating2026-10-25 06:14:18 UTC

   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.