# Degraded performance for Claude Fable 5.1 > Source: > Published: 2026-11-08 08:54:43+00:00 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. Posted Nov 08, 2026 - 08:54 UTC Monitoring A fix has been deployed for Claude Fable 5.1 and we are monitoring for recovery. Posted Nov 08, 2026 - 08:39 UTC Investigating We are investigating elevated errors on requests to Claude Fable 5.1. We will provide an update as soon as possible. Posted Nov 08, 2026 - 08:28 UTC This incident affected: claude.ai, Claude API (api.anthropic.com), Claude Code, and Claude Cowork. Subscribe to updates for Degraded performance for Claude Fable 5.1 via email and/or text message. You'll receive email notifications when incidents are updated, and text message notifications whenever Claude creates or resolves an incident.