Degraded performance for Claude Fable 5.1

Official Claude incident record with affected components, status, timeline updates, and links back to relevant status checks.

Affected components

These are the official Claude components attached to this incident. Component data can help separate a web app issue from an API, Console, or Claude Code issue.

claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork

Official timeline

Updates are shown from the official Claude status incident record.

resolved

The issue affecting claude.ai, the Claude API, Claude Code, and Claude Cowork has been resolved. Impact occurred from 00:18 PT / 08:18 UTC on Nov 8 to 00:32 PT / 08:32 UTC on Nov 8.

monitoring

A fix has been deployed for Claude Fable 5.1 and we are monitoring for recovery.

investigating

We are investigating elevated errors on requests to Claude Fable 5.1. We will provide an update as soon as possible.