Opus 4.6 elevated rate of errors

Incident Report for Claude

Resolved

Earlier today we had an outage on Opus 4.6 that started at 23:03 PT / 6:03 UTC and ended at 00:26 PT / 7:26 UTC.

Posted Apr 16, 2026 - 07:43 UTC

Identified

The issue has been identified and a fix is being implemented.

Posted Apr 16, 2026 - 06:50 UTC

This incident affected: claude.ai, platform.claude.com (formerly console.anthropic.com), Claude API (api.anthropic.com), Claude Code, and Claude Cowork.