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Outage in Claude

Opus 4.6 and Sonnet 4.6 error rate elevated

Resolved Major
March 31, 2026 - Started about 3 hours ago - Lasted about 2 hours
Official incident page

Incident Report

Summary AI Generated

Claude's Opus 4.6 and Sonnet 4.6 models experienced elevated error rates for 2.5 hours, affecting claude.ai, the developer console, and API services. Users reported receiving maintenance error messages, inability to get responses to basic questions, and frequent crashes that prevented business work from being completed. The issue was identified and resolved with a implemented fix.

The issue has been identified and a fix is being implemented.
Components affected
Claude claude.ai Claude console.anthropic.com Claude api.anthropic.com
Latest Updates ( sorted recent to last )
RESOLVED 5 minutes ago - at 03/31/2026 10:09PM

This incident has been resolved.

IDENTIFIED about 1 hour ago - at 03/31/2026 09:01PM

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

IDENTIFIED about 3 hours ago - at 03/31/2026 07:41PM

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

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