Why the Kimi K3 open-weight model is a memory problemTwo different things determine what it costs to run a large model. One is how much calculation the machine does to produce each word. The other is how much of the model has to be held ready and instantly reachable the entire time it is working. The first is compute. The second is memory. Chip export controls have squeezed China hard at first, and Moonshot’s design reads as a sustained attempt to spend le