Sonnet 4.6 elevated error rate

Incident Report for Claude

Resolved

This incident has been resolved.
Posted Feb 27, 2026 - 19:43 UTC

Investigating

We are currently investigating this issue.
Posted Feb 27, 2026 - 19:32 UTC
This incident affected: claude.ai, platform.claude.com (formerly console.anthropic.com), Claude API (api.anthropic.com), Claude Code, and Claude for Government.