Anthropic incident

Elevated errors for Claude Fable 5, Claude Sonnet 5, Claude Haiku 4.5, and other models

Major Resolved Upstream link ↗ Archived record

Started

July 25, 2026 at 09:34 PM UTC

Duration

33 min

Resolved

July 25, 2026 at 10:08 PM UTC

Updates timeline

Investigating Jul 25, 09:34 PM UTC

We are investigating elevated errors on requests to Claude Fable 5, Claude Sonnet 5, Claude Haiku 4.5, and other Claude models. We will provide an update as soon as possible.
Resolved Jul 25, 10:08 PM UTC

This incident has been resolved.

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