Major impactResolvedAI/ML

Anthropic outage: Elevated errors for Claude Fable 5.1

Anthropic reported this major-impact incident on its official status page on Oct 25, 2026, 08:17 UTC. It was resolved after 32 min.

Right now Anthropic is operational. Live Anthropic status →

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Oct 25, 2026, 08:17 UTC
started
Oct 25, 2026, 08:49 UTC
resolved
32 min
duration
Major
impact

Affected components

  • Claude API (api.anthropic.com)
  • Claude Code
  • Claude Cowork
  • claude.ai

Timeline

updates from Anthropic's status page ↗
  1. resolvedOct 25, 2026, 08:49 UTC

    The issue affecting Claude services has been resolved. Impact occurred from 01:08 PT / 08:08 UTC to 01:29 PT / 08:29 UTC.

  2. monitoringOct 25, 2026, 08:30 UTC

    A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.

  3. identifiedOct 25, 2026, 08:17 UTC

    We have identified the cause of elevated errors on requests to Claude Fable 5.1 and are working on a fix. We will provide an update as soon as possible.

  4. investigatingOct 25, 2026, 08:17 UTC

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

What APIStatus.watch saw

  • Oct 25, 2026, 08:19 UTCoperational → degraded
  • Oct 25, 2026, 08:34 UTCdegraded → operational

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

How often does Anthropic have incidents?

Anthropic reported 53 incidents in the last 90 days, 27 of them major or critical. A typical incident lasted 1h 2m. See Anthropic's uptime and incident history

← Previous: Elevated errors for Claude Sonnet 5.5 and other models (Oct 25, 2026)