Elevated errors for Claude Fable 5 and Claude Fable 5.1

Summary

Elevated errors for Claude Fable 5 and Claude Fable 5.1

The issue affecting Claude services has been resolved. Impact occurred from 22:00 PT on October 23 / 05:00 UTC on October 24 to 22:35 PT on October 23 / 05:35 UTC on October 24.

• Started

  Oct 24, 2026 · 5:16 AM

• Resolved

  Oct 24, 2026 · 5:53 AM

• Duration

  36m

• Severity

  Major

• ◐

  Investigating

  Oct 24 · 5:16 AM Claude

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

• ◆

  Identified

  Oct 24 · 5:24 AM Claude

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

• ◆

  Identified

  Oct 24 · 5:40 AM Claude

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

• ◉

  Monitoring

  Oct 24 · 5:41 AM Claude

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

• ✓

  Resolved

  Oct 24 · 5:53 AM Claude

  The issue affecting Claude services has been resolved. Impact occurred from 22:00 PT on October 23 / 05:00 UTC on October 24 to 22:35 PT on October 23 / 05:35 UTC on October 24.