Outage in Anthropic

Elevated errors for requests to Claude 4.1 Opus

Resolved Minor
October 31, 2025 - Started about 13 hours ago - Lasted about 1 hour
Official incident page

Incident Report

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

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Latest Updates ( sorted recent to last )
RESOLVED about 12 hours ago - at 10/31/2025 11:40AM

This incident has been resolved.

MONITORING about 13 hours ago - at 10/31/2025 11:22AM

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

IDENTIFIED about 13 hours ago - at 10/31/2025 10:37AM

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

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