Outage in Cerebras

Datacenter Issue Causing Minimal Degredation

Resolved Minor
October 18, 2025 - Started 17 days ago - Lasted about 12 hours
Official incident page

Incident Report

We are experiencing issues with one of our datacenters. We are actively working on mitigation. Seeing minimal degradation of service at this point. Fortunately, this only impacts one datacenter, the rest are operational, and redundancies are in place. ETA recovery time for datacenter: 8 hours. We will actively keep you updated on the progress.
Components affected
Cerebras Llama-3.3-70B

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Latest Updates ( sorted recent to last )
RESOLVED 16 days ago - at 10/19/2025 02:38PM

Between Oct 18th 7 PM PT and Oct 19th 6.30 AM PT users experienced minor service disruption with Llama 3.3 70B, Qwen 3 32B, GPT OSS 120B, Qwen 3 235B Thinking, Qwen 3 Coder 480B because of a datacenter issue. We have deployed the fix and the issue is now resolved.

IDENTIFIED 17 days ago - at 10/19/2025 02:41AM

Update: The issue has been root caused to a city water supply disruption. We are actively working on mitigation.

INVESTIGATING 17 days ago - at 10/19/2025 02:37AM

We are continuing to investigate this issue.

INVESTIGATING 17 days ago - at 10/19/2025 02:37AM

We are experiencing issues with one of our datacenters. We are actively working on mitigation. Seeing minimal degradation of service at this point. Fortunately, this only impacts one datacenter, the rest are operational, and redundancies are in place. ETA recovery time for datacenter: 8 hours. We will actively keep you updated on the progress.

Latest Cerebras outages

Service Degradation - 13 days ago
Partial Service Disruption - about 2 months ago

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