Wafer-scale chips have been attempted for many decades, but none of the previous attempts before Cerebras has resulted in a successful commercial product. The

Wafer-scale chips have been attempted for many decades, but none of the previous attempts before Cerebras has resulted in a successful commercial product. The main reason why Cerebras has succeeded and the previous attempts have failed is not technical, but the existence of market demand. Before ML/AI training and inference, there has been no application where wafer-scale chips could provide enough additional performance to make their high cost worthwhile.