Outage in Claude AI

Elevated errors on Claude.ai

Resolved Minor

November 11, 2025 - Started about 2 hours ago - Lasted about 2 hours
Official incident page

Incident Report

We are currently investigating.

Components affected

Claude AI claude.ai

Latest Updates ( sorted recent to last )

RESOLVED 9 minutes ago - at 11/11/2025 10:44PM

This incident has been resolved.

MONITORING about 1 hour ago - at 11/11/2025 09:30PM

We are monitoring error rates for claude.ai.

INVESTIGATING about 2 hours ago - at 11/11/2025 08:52PM

We are continuing to investigate this issue.

INVESTIGATING about 2 hours ago - at 11/11/2025 08:50PM

We are currently investigating.

source IsDown Claude.ai service outage analyzed Reports started 16 minutes before official outage was reported

Service is down; Claude.ai chat does not function, misleadingly cites network errors. Users report multiple failed POST requests to statsig.anthropic.com.

Latest Claude AI outages

Elevated errors on Claude.ai - about 10 hours ago

Elevated errors for requests to Claude 4, 4.5 Sonnet and 4.5 Haiku - 4 days ago

Elevated errors for requests to Claude Sonnet 4.5 - 5 days ago

Degraded outputs quality from Haiku 4.5 - 7 days ago

Elevated errors for requests to Claude 4 Sonnet - 11 days ago

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