DeepSeek V4

on M1 Ultra 128GB · LM Studio

Sep 7, 2026

Throughput

16.0 t/s gen

Quant

IQ3_XXS

System RAM

128 GB

Summary

User reports a patched engine improved speed from 5-6 to 15-16 tok/s. Setup uses the Unsloth UD-IQ3_XXS quant. The user notes a wired limit at 120GB.