Increased rate of errors for Opus 4.5

Incident Report for Claude

Resolved

This incident has been resolved.
Posted Jan 12, 2026 - 20:14 UTC

Identified

The issue has been identified and a fix is being implemented.
Posted Jan 12, 2026 - 20:07 UTC

Investigating

We are currently investigating this issue.
Posted Jan 12, 2026 - 19:21 UTC
This incident affected: claude.ai, platform.claude.com (formerly console.anthropic.com), Claude API (api.anthropic.com), and Claude Code.