Elevated errors on Claude Sonnet 4

Incident Report for Anthropic

Resolved

This incident has been resolved.
Posted Aug 18, 2025 - 10:58 UTC

Monitoring

A fix has been implemented and we are monitoring the results.
Posted Aug 18, 2025 - 07:59 UTC

Update

We are continuing to investigate this issue.
Posted Aug 18, 2025 - 07:59 UTC

Investigating

We are currently investigating this issue.
Posted Aug 18, 2025 - 07:49 UTC
This incident affected: claude.ai, console.anthropic.com, and api.anthropic.com.