Elevated errors on Claude Opus 5

91 points by croemer 9 hours ago on hackernews | 62 comments

Incident Report for Claude

Resolved

As of 4:47 PST / 11:47 UTC the errors have returned to baseline.

Posted Jul 27, 2026 - 12:30 UTC

Investigating

We are currently investigating this issue.

Posted Jul 27, 2026 - 11:27 UTC

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