Elevated errors on Claude Sonnet 4

Incident Report for Anthropic

Resolved

This incident has been resolved.
Posted Jul 22, 2025 - 19:16 UTC

Monitoring

A fix has been implemented and we are monitoring the results.
Posted Jul 22, 2025 - 18:44 UTC

Identified

The issue has been identified and a fix is being implemented.
Posted Jul 22, 2025 - 18:33 UTC

Investigating

We are currently investigating this issue.
Posted Jul 22, 2025 - 18:09 UTC
This incident affected: claude.ai, console.anthropic.com, api.anthropic.com, and Claude Code.