Anthropic incident

Elevated errors on Claude Opus 4.5 and Sonnet 4.5

Name: Anthropic — Elevated errors on Claude Opus 4.5 and Sonnet 4.5
Start: 2026-05-04T13:59:17.710Z
End: 2026-05-04T14:45:58.262Z

Minor Resolved Upstream link ↗

Started

May 4, 2026 at 01:59 PM UTC

Duration

46 min

Resolved

May 4, 2026 at 02:45 PM UTC

Updates timeline

Investigating May 4, 01:59 PM UTC

We are currently investigating this issue.
Identified May 4, 02:08 PM UTC

The issue has been identified and a fix is being implemented.
Monitoring May 4, 02:27 PM UTC

A fix has been implemented and we are monitoring the results.
Resolved May 4, 02:45 PM UTC

This incident has been resolved.

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