CS-3
CS-3 is a Cerebras AI system with 1 Cerebras WSE-3 and 1 Host server.
Built from BenchGecko data as of April 14, 2026 · updates when the data changes
CS-3 is a Cerebras AI system with 1 Cerebras WSE-3 and 1 Host server.
Basic
Wafer-scale AI compute appliance. A single CS-3 contains one WSE-3 chip (the largest chip ever made, using an entire 300mm wafer). 44 GB of on-chip SRAM eliminates the HBM bottleneck entirely. No memory wall. Paired with MemoryX and SwarmX for disaggregated memory and networking. Fastest inference per chip in the world.
Deep
The dataset lists 125 PFLOPS at BF16. Interconnect: SwarmX. Power: 23 kW, liquid cooled.
Expert
Known deployments: Cerebras Inference and Mayo Clinic. Figures come from spec sheets and disclosures in the curated systems dataset, dated on the systems page.
Depending on why you're here
- ·1 × Cerebras WSE-3
- ·Interconnect: SwarmX
- ·liquid cooling · 23 kW
- ·Compare systems on /systems/cerebras-cs3
- ·Deployed by Cerebras Inference and Mayo Clinic
- ·CS-3 is a big AI computer built from many Cerebras WSE-3 chips
Frequently Asked Questions
Read the primary sources
- Cerebras CS-3 product pagewww.cerebras.net