Qwen3.8 125B (6B active) Flash-Next
on 2× NVIDIA RTX 5090 · Strata
Summary
User reports Qwen3.8 Flash-Next at ~150 tok/s generation and ~4k prefill on two RTX 5090s.
Setup is Strata with Q5_K_XL weights.
User is considering selling one 5090 and buying four R9700s for roughly the same price, doubling VRAM, and asks how that would affect which models can be run and their performance.