Degraded performance for Claude Fable 5.1

Resolved

Yes — Claude had a problem on November 8, 2026, and Claude (Anthropic) has since marked it resolved. Claude (Anthropic)'s latest word: “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.”

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Timeline

Started: 11/8/2026, 8:28:32 AM

Last update: 11/8/2026, 8:54:43 AM

Resolved: 11/8/2026, 8:54:43 AM

Affected: rwppv331jlwc, k8w3r06qmzrp, yyzkbfz2thpt, bpp5gb3hpjcl

Claude (Anthropic)'s official report →

Updates

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.
11/8/2026, 8:54:43 AM
monitoring
A fix has been deployed for Claude Fable 5.1 and we are monitoring for recovery.
11/8/2026, 8:39:01 AM
investigating
We are investigating elevated errors on requests to Claude Fable 5.1. We will provide an update as soon as possible.
11/8/2026, 8:28:33 AM

More Claude (Anthropic) incidents

Elevated errors affecting the Google Calendar connector — resolved, 11d ago
Elevated errors affecting the Gmail connector — resolved, 11d ago
Elevated errors for Claude Sonnet 5.5 — resolved, 12d ago
Elevated errors for Claude Sonnet 5.5 — resolved, 12d ago
Elevated errors for Claude Fable 5.1 — resolved, 14d ago
Elevated errors for Claude Sonnet 5.5 and other models — resolved, 14d ago

Is Claude down right now?All outage history →