Elevated errors for Claude Fable 5 and Claude Fable 5.1

Incident Report for Claude

Resolved

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.
Posted Oct 24, 2026 - 05:53 UTC

Monitoring

A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.
Posted Oct 24, 2026 - 05:41 UTC

Update

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.
Posted Oct 24, 2026 - 05:40 UTC

Identified

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.
Posted Oct 24, 2026 - 05:24 UTC

Investigating

We are investigating elevated errors on requests to other Claude models. We will provide an update as soon as possible.
Posted Oct 24, 2026 - 05:16 UTC
This incident affected: claude.ai, Claude API (api.anthropic.com), Claude Code, and Claude Cowork.