Elevated errors on Claude Sonnet 4

Incident Report for Anthropic

Resolved

This incident has been resolved.
Posted Aug 20, 2025 - 06:08 UTC

Monitoring

A fix has been implemented and we are monitoring the results.
Posted Aug 20, 2025 - 03:43 UTC

Identified

The issue has been identified and a fix is being implemented.
Posted Aug 20, 2025 - 02:58 UTC
This incident affected: claude.ai, api.anthropic.com, and Claude Code.