M5 Ultra 256GB runs GLM 5.3 Flash at 68.8 tok/s with oQ4e+MTP on oMLX

cryotic · reddit · 2026-10-05

A user benchmarked GLM 5.3 Flash on an M5 Ultra 256GB machine, hitting 68.8 tok/s decode with oQ4e quantization plus MTP on oMLX 0.7.0, and 1,878 tok/s prefill — higher than other shared results, with more optimization still possible.

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