Anthropic incident
Elevated errors for Mythos 5, Fable 5, Opus 5 and Claude Haiku 4.5
Major Vendor's status page →
Resolved after 1 hour 4 minutes, affecting claude.ai and Claude API (api.anthropic.com) and 1 more, on July 25, 2026.
The issue has been identified and a fix is being implemented.
Affected components
claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Update timeline
- investigating Jul 25, 2026, 06:40 PM UTC
We are investigating elevated errors on requests to Claude Mythos 5, Claude Fable 5, and Claude Haiku 4.5. We will provide an update as soon as possible.
- identified Jul 25, 2026, 06:44 PM UTC
The issue has been identified and a fix is being implemented.
- resolved Jul 25, 2026, 07:44 PM UTC
This incident has been resolved.
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