llamaperf

Qwen3 30B (3B active)

on M5 32GB · MLX

Apple hardware
Sep 30, 2026
Throughput
57.0 t/s gen · 1063.0 tokens/s prompt processing (prefill)Prompt processing measures input prefill speed; it does not tell you the time to first token.
Quant
4-bit (MLX)
System RAM
32 GB

Summary

User reports Qwen3-30B-A3B 4-bit at 57 tok/s cold generation on an M5 MacBook Air with 32GB. Setup is MLX with mlx-lm, 4-bit weights, 256 generated tokens, no speculative decoding. Sustained generation drops to 44 tok/s on battery and 39 tok/s on mains; prompt processing of a 4,096-token prompt is 1,063 tok/s cold, 788 sustained on battery and 725 on mains. The decline finishes at about 150 seconds and the rate then holds flat.