Elevated errors on Claude Opus 4.5 and Sonnet 4.5

Incident Report for Claude

Resolved

This incident has been resolved.
Posted May 04, 2026 - 14:45 UTC

Monitoring

A fix has been implemented and we are monitoring the results.
Posted May 04, 2026 - 14:27 UTC

Identified

The issue has been identified and a fix is being implemented.
Posted May 04, 2026 - 14:08 UTC

Investigating

We are currently investigating this issue.
Posted May 04, 2026 - 13:59 UTC
This incident affected: claude.ai, Claude API (api.anthropic.com), and Claude Code.