Qwen3.8 125B (6B active) Flash-Next
on Radeon 8060S 128GB · Halogen · 8,192 ctx
Summary
User reports Qwen3.8-Flash-Next at 48.42 tok/s MTP decode and 1873 tok/s prefill on a BOSGAME M5 with Ryzen AI Max+ 395 / Radeon 8060S and 128GB RAM.
Setup is Halogen 0.16.2 running inside WSL2 on Windows 11, with 64 GB carve, native MTP depth 2, one slot and a 262144-token session capacity.
Serial decode without MTP is 36.72 tok/s. Prefill at 8192 tokens is 1873 tok/s, at 16384 tokens 1681 tok/s, at 128K 1620.70 tok/s and at 260K 1368.54 tok/s. MTP acceptance is 60% at 8192 tokens and 93.94% at 128K and 260K.