Outage in Cerebras

Identified - Caused by External Depencency

Resolved Major

November 18, 2025 - Started 3 months ago - Lasted about 3 hours
Official incident page

Incident Report

Around 4:09 AM PT, Inference Platform went down causing 500 Internal Server Errors. This issue is caused by a third-party system, and we are currently monitoring.

Components affected

Cerebras Llama3.1-8B Cerebras Llama-3.3-70B Cerebras Developer Console

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Latest Updates ( sorted recent to last )

RESOLVED 3 months ago - at 11/18/2025 03:36PM

This incident has been resolved.

MONITORING 3 months ago - at 11/18/2025 02:57PM

The platform is accessible now. We are monitoring to ensure stability.

MONITORING 3 months ago - at 11/18/2025 02:55PM

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

IDENTIFIED 3 months ago - at 11/18/2025 02:41PM

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

INVESTIGATING 3 months ago - at 11/18/2025 02:24PM

We are continuing to investigate this issue.

INVESTIGATING 3 months ago - at 11/18/2025 12:54PM

We are continuing to investigate this issue.

INVESTIGATING 3 months ago - at 11/18/2025 12:30PM

Around 4:09 AM PT, Inference Platform went down causing 500 Internal Server Errors. This issue is caused by a third-party system, and we are currently monitoring.

Latest Cerebras outages

Partial Service Disruption on zai-glm-4.7 - 4 days ago

Partial Service Disruption on Llama-3.3-70B - 5 days ago

Partial Service Disruption on Cerebras Endpoints - 10 days ago

Partial Service Disruption Qwen 235B - 11 days ago

Qwen-32B Service Experiencing Degraded Performance - 19 days ago

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