AI hardware maker; builds wafer-scale supercomputers for neural networks. Cerebras Systems Inc. is an American artificial intelligence hardware company based in Sunnyvale, California. Founded in 2015, Cerebras specializes in designing and manufacturing wafer-scale computing platforms that significantly accelerate training and inference of large neural networks. The company’s CS‑1, CS‑2, and CS‑3 systems are powered by their groundbreaking Wafer Scale Engine (WSE), offering unrivaled computational density by integrating massive amounts of compute, memory, and interconnects onto a single wafer. These systems are widely utilized across industries including pharmaceuticals, energy, and scientific research, and have been adopted by institutions like Mayo Clinic and G42. As of 2024, Cerebras employs approximately 400 people. The company has received major investment rounds from leading venture capitalists to further its R&D and commercial deployments, establishing itself as a transformative player in the AI hardware landscape.