Model comparison

stable-diffusion-3.5-medium vs Z-Image-Turbo

At Q4_K_M, stable-diffusion-3.5-medium is the smaller download — 1,787,064,768 bytes against 4,981,532,736.

From the file· summed bytes, KV per layer

Side by side

stable-diffusion-3.5-mediumZ-Image-Turbo
Parameters2.5B6.2B
Architecturelumina2
Layers
Native context
Mixture of expertsnono
Quantizations published2130
Smallest quantization1.35 GiB2.41 GiB
Q4_K_M1.66 GiB4.64 GiB
Licenceotherapache-2.0

KV cache by context

the term that decides long-context viability
Contextstable-diffusion-3.5-mediumZ-Image-TurboRatio
4,096
8,192
16,384
32,768
65,536
131,072