Running LLMs locally on an SBC or mini PC is a good way to keep your data private, but they typically require a conventional operating system, which uses a good portion of system memory. By removing the operating system, NightRun makes more RAM and memory bandwidth available for AI inference. It is a UEFI application that runs without a conventional operating system, so there is no Linux kernel, scheduler, or network stack underneath. Instead, it relies on UEFI Boot Services to handle keyboard input, drive the display framebuffer, access storage, and even control the Raspberry Pi 5 cooling fan. Compared to that, NightRun is a complete, production-ready UEFI runtime appliance with parity-tested tokenization specifically designed for consumer hardware.