Finally we have it:
Strata against llama.cpp on my RTX 5090. Same model file, same prompt. Strata wrote this city in 28.8 s, llama.cpp needed 104.2 s.
The model is Qwen3.8-Flash-Next. It doesn't fit in 32 GB, so part of it sits in system RAM. Strata with MTP writes 204 tok/s,