Model comparison

FLUX.1-dev vs Z-Image-Turbo

At Q4_K_M, Z-Image-Turbo is the smaller download — 4,981,532,736 bytes against 6,931,817,760.

From the file· summed bytes, KV per layer

Side by side

FLUX.1-devZ-Image-Turbo
Parameters11.9B6.2B
Architecturefluxlumina2
Layers
Native context
Mixture of expertsnono
Quantizations published3730
Smallest quantization3.75 GiB2.41 GiB
Q4_K_M6.46 GiB4.64 GiB
Licenceotherapache-2.0

KV cache by context

the term that decides long-context viability
ContextFLUX.1-devZ-Image-TurboRatio
4,096
8,192
16,384
32,768
65,536
131,072