Sonnet 4.5 elevated errors

Incident Report for Claude

Resolved

This incident has been resolved.
Posted Jun 01, 2026 - 09:28 UTC

Update

We are continuing to monitor for any further issues.
Posted Jun 01, 2026 - 09:17 UTC

Monitoring

A fix has been implemented and we are monitoring the results.
Posted Jun 01, 2026 - 09:13 UTC

Investigating

We are currently investigating this issue.
Posted Jun 01, 2026 - 09:08 UTC
This incident affected: claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), and Claude Code.