Anthropic incident

Degraded performance for Claude Fable 5.1

Resolved after 26 minutes, affecting claude.ai and Claude API (api.anthropic.com) and 1 more, on November 8, 2026.

resolved Nov 08, 2026, 08:54 AM UTC

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.

Started
Nov 08, 2026, 08:28 AM UTC
Resolved
Nov 08, 2026, 08:54 AM UTC
Duration
26m
Detected by Pingoru
Nov 08, 2026, 08:28 AM UTC

Affected components

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

Update timeline

  1. investigating Nov 08, 2026, 08:28 AM UTC

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

  2. monitoring Nov 08, 2026, 08:39 AM UTC

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

  3. resolved Nov 08, 2026, 08:54 AM UTC

    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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