Qwen3.8 27B

Oct 13, 2026

Throughput

13.1 t/s gen · 126.2 tokens/s prompt processing (prefill)Prompt processing measures input prefill speed; it does not tell you the time to first token.

Quant

Q4_K_M (GGUF)

KV cache

F16

System RAM

64 GB

Summary

User reports Qwen3.8-27B at 13.1 t/s generation and 126.2 t/s prompt processing on an M4 Pro with 64 GB unified memory. Setup is dasLLAMA version 16 with Q4_K_M weights, f16 KV cache, and one Metal GPU. The figures are native PP512 and TG128 means over five repetitions, not a single chat request; the session allocates 640 positions.