Model comparison

HunyuanVideo-1.5 vs LTX-2.3

At Q4_K_M, HunyuanVideo-1.5 is the smaller download — 5,090,407,648 bytes against 14,194,441,248.

From the file· summed bytes, KV per layer

Side by side

HunyuanVideo-1.5LTX-2.3
Parameters8.3B9.2B
Architecturehyvidqwen35
Layers
Native context
Mixture of expertsnono
Quantizations published3092
Smallest quantization4.58 GiB7.39 GiB
Q4_K_M4.74 GiB13.22 GiB
Licence

KV cache by context

the term that decides long-context viability
ContextHunyuanVideo-1.5LTX-2.3Ratio
4,096
8,192
16,384
32,768
65,536
131,072