New Multi-region uptime checks and custom-domain status pages

Elevated errors for Claude Fable 5.1

Major Impact Resolved Duration: 37m October 25, 2026
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Current answer

Anthropic (Claude) experienced a major incident: Elevated errors for Claude Fable 5.1. ServiceAlert observed recovery on Oct 25, 2026.

Official Anthropic (Claude) status page Current Anthropic (Claude) status ServiceAlert observed status change:

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Incident Lifecycle

Investigating Identified Monitoring
Affected Components
claude.ai Claude API (api.anthropic.com) Claude Code Claude Cowork

Incident Timeline

Monitoring
A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.
Oct 25, 2026 at 8:30 AM UTC
Identified
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.
Oct 25, 2026 at 8:17 AM UTC
Investigating
We are investigating elevated errors on requests to Claude Fable 5.1. We will provide an update as soon as possible.
Oct 25, 2026 at 8:17 AM UTC
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