llama.cpp Discussion #23853 shares an NVFP4/MXFP6 mixed-precision tool
Discussion #23853 — released a tool for NVFP4/MXFP6 mixed precision + imatrix per-layer optimization. Comparisons shared in the discussion found NVFP4 faster but below Q4_K_M in quality
Why it matters
Real measurements showing hardware-native FP4 has not yet beaten community quantization. The format race is unresolved
Source — Primary sources first; secondary reports are labelled “Press”
Officialgithub.comhttps://github.com/ggml-org/llama.cpp/discussions/23853Added in Week 35, 2026 · See that week