Outage in Anthropic

Unable to send messages to Opus 4.1

Resolved Minor
September 05, 2025 - Started 2 days ago - Lasted about 2 hours
Official incident page

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Outage Details

We are currently investigating this issue.
Latest Updates ( sorted recent to last )
RESOLVED 2 days ago - at 09/05/2025 10:10PM

This incident has been resolved.

MONITORING 2 days ago - at 09/05/2025 09:40PM

We've re-enabled Opus 4.1 on Claude.ai

MONITORING 2 days ago - at 09/05/2025 09:33PM

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

IDENTIFIED 2 days ago - at 09/05/2025 09:02PM

We've temporarily disabled Opus 4.1 on Claude.ai

IDENTIFIED 2 days ago - at 09/05/2025 09:01PM

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

INVESTIGATING 2 days ago - at 09/05/2025 08:31PM

We are currently investigating this issue.

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