Sonnet 4.6 elevated rate of errors

Incident Report for Claude

Identified

The issue has been identified and a fix is being implemented.

Posted Apr 08, 2026 - 07:59 UTC

Update

We are continuing to investigate this issue.

Posted Apr 08, 2026 - 07:06 UTC

Investigating

We are currently investigating this issue.

Posted Apr 08, 2026 - 06:23 UTC

This incident affects: claude.ai, platform.claude.com (formerly console.anthropic.com), Claude API (api.anthropic.com), Claude Code, and Claude Cowork.