Anthropic incident

Elevated errors for Claude Fable 5

Major Resolved Upstream link ↗

Started

August 14, 2026 at 11:57 PM UTC

Duration

30 min

Resolved

August 15, 2026 at 12:27 AM UTC

Updates timeline

Identified Aug 14, 11:57 PM UTC

We have identified the cause of elevated errors on requests to Claude Fable 5 and are working on a fix. We will provide an update as soon as possible.
Identified Aug 15, 12:20 AM UTC

We have identified the cause of the issue affecting claude.ai and are working on a fix. We will provide an update as soon as possible.
Identified Aug 15, 12:21 AM UTC

We have identified the cause of the issue affecting Claude services and are working on a fix. We will provide an update as soon as possible.
Resolved Aug 15, 12:27 AM UTC

The issue affecting Claude services has been resolved. Impact occurred from 20:00 Aug 14, 2026 to 00:11 Aug 15 , 2026 UTC.

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