llamaperf

Qwen3.8 125B (6B active) Flash-Next

on 2× AMD Strix Halo 128GB · llama.cpp · 131,072 ctx

Tone: mixedAMD hardware
Sep 7, 2026
Throughput
15.0 t/s gen
Quant
Q8_0 (GGUF)
VRAM reported
128 GB

Use cases

coding

Summary

User reports Qwen3.8-Flash-Next at Q8_0 generating for over 45 minutes because of excessive thinking even at low reasoning effort. Setup is llama.cpp RPC on 2x Strix Halo 128GB. User compares the run with Qwen3.8-27B and DeepSeek V4 Flash on the same hardware.