Elevated errors for Claude Sonnet 5

Incident Report for Claude

Resolved

This incident has been resolved.
Posted Sep 03, 2026 - 12:56 UTC

Monitoring

A fix has been implemented and we are monitoring the results.
Posted Sep 03, 2026 - 12:47 UTC

Investigating

We are investigating elevated errors on requests to Claude Sonnet 5. We will provide an update as soon as possible.
Posted Sep 03, 2026 - 12:37 UTC
This incident affected: claude.ai, Claude API (api.anthropic.com), Claude Code, and Claude Cowork.