Model comparison

Wan_2.1_ComfyUI_repackaged vs LTX-2

At Q4_K_M, LTX-2 is the smaller download — 12,840,118,752 bytes against 68,351,109,664.

From the file· summed bytes, KV per layer

Side by side

Wan_2.1_ComfyUI_repackagedLTX-2
Parameters18.9B
Architecturepigltxv
Layers
Native context
Mixture of expertsnono
Quantizations published4828
Smallest quantization4.25 GiB7.48 GiB
Q4_K_M63.66 GiB11.96 GiB
Licenceapache-2.0

KV cache by context

the term that decides long-context viability
ContextWan_2.1_ComfyUI_repackagedLTX-2Ratio
4,096
8,192
16,384
32,768
65,536
131,072