The Apple M4 Ultra (384GB) has 384GB of unified memory, of which about 288GB reaches a model under macOS, and 1092 GB/s memory bandwidth, making it one of the strongest machines for running local AI models. This guide covers which LLMs fit, expected tok/s performance, and recommended settings.
See the full Apple M4 Ultra (384GB) specs page for detailed specifications, all compatible models, and speed estimates. Current price: $9999.