Degraded performance for Claude Fable 5.1
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.
- Incident ID
- #af4baca5
- Impact
- minor
- Components
- anthropic
Updates
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investigating Nov 8, 2026, 4:28 PM GMT+08:00
We are investigating elevated errors on requests to Claude Fable 5.1. We will provide an update as soon as possible.
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monitoring Nov 8, 2026, 4:39 PM GMT+08:00
A fix has been deployed for Claude Fable 5.1 and we are monitoring for recovery.
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resolved Nov 8, 2026, 4:54 PM GMT+08:00
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.