Elevated errors on Claude Sonnet 4

Incident Report for Anthropic

Resolved

This incident has been resolved.
Posted May 23, 2025 - 10:31 UTC

Monitoring

A fix has been implemented and we are monitoring the results.
Posted May 23, 2025 - 10:26 UTC

Identified

The issue has been identified and a fix is being implemented.
Posted May 23, 2025 - 09:41 UTC

Investigating

We are currently investigating an issue that started at 05:30 UTC.
Posted May 23, 2025 - 08:27 UTC
This incident affected: claude.ai, console.anthropic.com, and api.anthropic.com.