Model comparison

Qwen-Image-Edit-2511 vs Z-Image-Turbo

At Q4_K_M, Z-Image-Turbo is the smaller download — 4,981,532,736 bytes against 11,657,701,984.

From the file· summed bytes, KV per layer

Side by side

Qwen-Image-Edit-2511Z-Image-Turbo
Parameters20.4B6.2B
Architectureqwen_imagelumina2
Layers
Native context
Mixture of expertsnono
Quantizations published3630
Smallest quantization4.13 GiB2.41 GiB
Q4_K_M10.86 GiB4.64 GiB
Licenceapache-2.0apache-2.0

KV cache by context

the term that decides long-context viability
ContextQwen-Image-Edit-2511Z-Image-TurboRatio
4,096
8,192
16,384
32,768
65,536
131,072