Elevated errors on Claude Sonnet 4.6

Incident Report for Claude

Resolved

This incident has been resolved.

Posted Mar 16, 2026 - 16:35 UTC

Update

We are continuing to work on a fix for this issue. This is currently only impacting free Claude.ai users.

Posted Mar 16, 2026 - 15:35 UTC

Update

We are continuing to work on a fix for this issue.

Posted Mar 16, 2026 - 15:13 UTC

Update

We are continuing to work on a fix for this issue.

Posted Mar 16, 2026 - 14:05 UTC

Update

We are continuing to work on a fix for this issue.

Posted Mar 16, 2026 - 14:04 UTC

Identified

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

Posted Mar 16, 2026 - 14:02 UTC

Investigating

There's an elevated error rate for free tier users on Claude Sonnet 4.6. We are investigating

Posted Mar 16, 2026 - 14:02 UTC

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