Running GLM 5.3 Flash Locally on a Mac Studio

An AI practitioner details the process of running Z.ai's open-weights GLM 5.3 Flash model locally on a 256 GB Mac Studio. By diagnosing and fixing multiple float32 conversion bottlenecks and memory allocation bugs across the software stack, the author increased generation speed from under two tokens per second to roughly twenty-six tokens per second while matching the output accuracy of the cloud version. Open article →