Incident

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

This incident has been resolved.

resolved
Incident ID
#b12dc189
Impact
major
Components
anthropic

Updates

  1. investigating Jul 26, 2026, 5:34 AM GMT+08:00

    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.

  2. resolved Jul 26, 2026, 6:08 AM GMT+08:00

    This incident has been resolved.

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