Skip to content
Anthropic · AIJul 25, 2026, 21:34 UTC

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

MajorNot disclosedUpdated 20h ago
Jul 25, 21:34 UTCJul 25, 22:08 UTC
Duration
34m
Impact
Major
Root cause
Not disclosed
Anthropic, 90 days
94 incidents
Affected
claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Status page

Final update

This incident has been resolved.

Timeline

  1. Resolved · Jul 25, 22:08 UTC
    This incident has been resolved.
  2. Investigating · Jul 25, 21:34 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.

More from Anthropic

Full history

From vendors' own status pages and disclosures. Times as reported. Logos via logo.dev; trademarks belong to their owners.

Weekly: the week's major outages, postmortems and breaches, Saturday mornings.