Model comparison

Z-Image vs Z-Image-Turbo

At Q4_K_M, Z-Image-Turbo is the smaller download — 4,981,532,736 bytes against 5,066,995,776.

From the file· summed bytes, KV per layer

Side by side

Z-ImageZ-Image-Turbo
Parameters6.2B6.2B
Architecturelumina2lumina2
Layers
Native context
Mixture of expertsnono
Quantizations published1630
Smallest quantization3.74 GiB2.41 GiB
Q4_K_M4.72 GiB4.64 GiB
Licenceapache-2.0apache-2.0

KV cache by context

the term that decides long-context viability
ContextZ-ImageZ-Image-TurboRatio
4,096
8,192
16,384
32,768
65,536
131,072