You can run SOTA local MoE models very slowly by streaming the weights in from a fast PCIe 5 SSD. Kimi 2.5 (generally considered in the ballpark of current sonnet, not opus of course) has been measured as 2 tok/s on Apple M5 hardware, which is the best-case performance unless you have niche HEDT hardware with lots of PCIe lanes to attach storage to and figure out how to use that amount of parallel transfer throughput.