Qwen3.8 125B (6B active) Flash-Next
on 4× AMD Radeon Pro V620 32GB · vLLM · 131,072 ctx
Sep 18, 2026
Use cases
codinglong-context
Summary
User reports Qwen3.8 Flash-Next at 70.0 t/s generation and 1,386 t/s prompt processing on 4 Radeon Pro V620 GPUs at 32K context on the coding suite.
Setup is vLLM with the Intel/Qwen3.8-Flash-Next-W4A16-AutoRound quant, using a custom RDNA vLLM fork.
At 64K context the coding suite reached 72.5 t/s generation and 1,369 t/s prompt processing; at 128K it reached 68.3 t/s and 1,296 t/s. The regular suite measured 57.9, 59.5, and 56.1 t/s generation at 32K, 64K, and 128K respectively.