Outage in Anthropic

Elevated errors on Claude Opus 4.6

Resolved Major

March 17, 2026 - Started about 11 hours ago - Lasted about 5 hours
Official incident page

Incident Report

Summary AI Generated

Anthropic experienced elevated errors on Claude Opus 4.6 for 4.7 hours, affecting claude.ai, console.anthropic.com, and api.anthropic.com. The issue was identified and mitigations were employed during investigation, with a fix implemented and monitored before full resolution.

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

Components affected

Anthropic claude.ai Anthropic console.anthropic.com Anthropic api.anthropic.com

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Latest Updates ( sorted recent to last )

RESOLVED about 6 hours ago - at 03/18/2026 12:25AM

This incident has been resolved.

MONITORING about 8 hours ago - at 03/17/2026 10:34PM

A fix has been implemented and we are monitoring the results.

INVESTIGATING about 10 hours ago - at 03/17/2026 08:41PM

We are currently investigating this issue. We have identified mitigations which we are continuing to regularly employ as we investigate the root cause.

MONITORING about 11 hours ago - at 03/17/2026 08:02PM

A fix has been implemented and we are monitoring the results.

IDENTIFIED about 11 hours ago - at 03/17/2026 07:47PM

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

Latest Anthropic outages

Elevated errors on Claude Sonnet 4.6 - about 16 hours ago

Elevated errors on Claude Opus 4.6 - about 21 hours ago

Elevated errors on Claude Sonnet 4.6 - about 23 hours ago

Elevated errors on Claude Sonnet 4.6 - 1 day ago

Elevated errors on Claude.ai - 1 day ago

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