Elevated error rates on Opus 4.5

Incident Report for Claude

Resolved

This incident has been resolved.
Posted Dec 22, 2025 - 09:32 UTC

Monitoring

A fix has been implemented and we are monitoring the results.
Posted Dec 22, 2025 - 08:40 UTC

Investigating

We are currently investigating this issue.
Posted Dec 22, 2025 - 07:18 UTC
This incident affected: claude.ai, platform.claude.com (formerly console.anthropic.com), Claude API (api.anthropic.com), and Claude Code.