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

User reports Qwen3.8 Flash-Next at 75 tok/s generation and 1200 tok/s prefill at 128k context on an RTX 5060 Ti 16GB. Setup is Basalt (a Strata fork for Blackwell) with a Q2 quant and Q4 KV cache, on a system with 32GB RAM and about 5GB left for the OS. User says the model is used as a dedicated coding agent and had to add a build flag to allocate more RAM.