Qwen3.8 125B (6B active) Flash-Next
on AMD Strix Halo 128GB · Gufo · 8,192 ctx
Oct 12, 2026
Summary
User reports Qwen3.8-Flash-Next at 54.1 t/s on a Beelink GTR9 Pro with Ryzen AI Max+ 395 and 128 GB unified memory.
Setup is Gufo with UD-Q4_K_XL and a shared Q8_0 MTP drafter at 8K context, one session, 80% draft acceptance.
Gufo loads crash the machine with a data fabric sync flood 4 of 7 times, at random points 9-40 GiB into load, never after a successful load; one load ran 46 hours. Vulkan llama.cpp runs the same model at ~45 t/s structured and ~32 t/s prose on the old config, and gpt-oss-120b at 54.9 t/s. Qwen3.8-27B ran at 12.3 t/s and Flash-Next without MTP at 26.8 t/s.