Model comparison

HunyuanImage-2.1 vs FLUX.1-dev

At Q4_K_M, FLUX.1-dev is the smaller download — 6,931,817,760 bytes against 9,236,273,920.

From the file· summed bytes, KV per layer

Side by side

HunyuanImage-2.1FLUX.1-dev
Parameters17.5B11.9B
Architecturepigflux
Layers
Native context
Mixture of expertsnono
Quantizations published5037
Smallest quantization5.26 GiB3.75 GiB
Q4_K_M8.60 GiB6.46 GiB
Licenceotherother

KV cache by context

the term that decides long-context viability
ContextHunyuanImage-2.1FLUX.1-devRatio
4,096
8,192
16,384
32,768
65,536
131,072