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Outage in Anthropic

Elevated errors on requests to October Claude 3.5 Sonnet and 3.7 Sonnet

Resolved Major
April 29, 2025 - Started 12 months ago - Lasted about 2 hours
Official incident page

Incident Report

We are seeing errors being returned across all Claude models.

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Latest Updates ( sorted recent to last )
RESOLVED 12 months ago - at 04/29/2025 04:35PM

This incident has been resolved.

MONITORING 12 months ago - at 04/29/2025 04:08PM

The issue resulting in elevated error rates on requests to some models, including Claude 3.7 Sonnet, has been resolved. We are currently monitoring closely to ensure no further recurrence.

IDENTIFIED 12 months ago - at 04/29/2025 03:21PM

We have identified a hypothesis and we are working on mitigating the issue.

INVESTIGATING 12 months ago - at 04/29/2025 02:54PM

We are continuing to investigate this issue.

INVESTIGATING 12 months ago - at 04/29/2025 02:21PM

We are seeing errors being returned across all Claude models.

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