Sonnet 4.6 elevated rate of errors

Incident Report for Claude

Resolved

This incident has been resolved.
Posted Apr 06, 2026 - 21:45 UTC

Investigating

We are currently investigating this issue.
Posted Apr 06, 2026 - 21:26 UTC
This incident affected: claude.ai, platform.claude.com (formerly console.anthropic.com), Claude API (api.anthropic.com), Claude Code, and Claude Cowork.