Elevated errors on Claude 4 Sonnet

Incident Report for Anthropic

Resolved

This incident has been resolved.
Posted Jul 03, 2025 - 02:40 UTC

Update

We are continuing to monitor for any further issues.
Posted Jul 03, 2025 - 02:40 UTC

Monitoring

A fix has been implemented and we are monitoring the results.
Posted Jul 03, 2025 - 02:34 UTC

Identified

The issue has been identified and a fix is being implemented.
Posted Jul 03, 2025 - 02:11 UTC

Investigating

We are currently investigating this issue.
Posted Jul 03, 2025 - 02:05 UTC
This incident affected: claude.ai, api.anthropic.com, and Claude Code.