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Outage in Claude

Elevated errors on Claude Sonnet 4.6

Resolved Minor
March 17, 2026 - Started about 21 hours ago - Lasted about 5 hours
Official incident page

Incident Report

Summary AI Generated

Claude Sonnet 4.6 experienced elevated errors for 4.9 hours, initially affecting only free Claude.ai users before impacting the broader claude.ai service. The issue was identified and a fix was implemented, with the incident fully resolved after a monitoring period.

We are currently investigating this issue.
Components affected
Claude claude.ai
Latest Updates ( sorted recent to last )
RESOLVED about 16 hours ago - at 03/17/2026 01:03PM

This incident has been resolved.

MONITORING about 17 hours ago - at 03/17/2026 12:13PM

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

IDENTIFIED about 17 hours ago - at 03/17/2026 11:59AM

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

IDENTIFIED about 19 hours ago - at 03/17/2026 10:05AM

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

IDENTIFIED about 21 hours ago - at 03/17/2026 08:23AM

The issue has been identified and a fix is being implemented. At this stage, only free Claude.ai users are being impacted.

INVESTIGATING about 21 hours ago - at 03/17/2026 08:04AM

We are currently investigating this issue.

Latest Claude outages

Elevated errors on Claude Opus 4.6 - about 19 hours ago

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