Elevated error rates for Sonnet 5

Incident Report for Claude

Resolved

This incident has been resolved.
Posted Jul 22, 2026 - 16:12 UTC

Identified

The issue has been identified and a fix is being implemented.
Posted Jul 22, 2026 - 15:36 UTC

Investigating

We are currently investigating this issue.
Posted Jul 22, 2026 - 15:24 UTC
This incident affected: claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude Code, and Claude Cowork.