Increased rate of errors for Opus 4.5

Incident Report for Claude

Update

We are continuing to monitor for any further issues.
Posted Jan 26, 2026 - 04:53 UTC

Monitoring

A fix has been implemented and we are monitoring the results.
Posted Jan 25, 2026 - 09:57 UTC

Investigating

We are currently investigating this issue.
Posted Jan 25, 2026 - 08:05 UTC
This incident affects: claude.ai, platform.claude.com (formerly console.anthropic.com), Claude API (api.anthropic.com), and Claude Code.