Model comparison
HunyuanVideo-1.5 vs LTX-2
At Q4_K_M, HunyuanVideo-1.5 is the smaller download — 5,090,407,648 bytes against 12,840,118,752.
From the file· summed bytes, KV per layer
Side by side
| HunyuanVideo-1.5 | LTX-2 | |
|---|---|---|
| Parameters | 8.3B | 18.9B |
| Architecture | hyvid | ltxv |
| Layers | — | — |
| Native context | — | — |
| Mixture of experts | no | no |
| Quantizations published | 30 | 28 |
| Smallest quantization | 4.58 GiB | 7.48 GiB |
| Q4_K_M | 4.74 GiB | 11.96 GiB |
| Licence | — | — |
KV cache by context
the term that decides long-context viability
| Context | HunyuanVideo-1.5 | LTX-2 | Ratio |
|---|---|---|---|
| 4,096 | — | — | — |
| 8,192 | — | — | — |
| 16,384 | — | — | — |
| 32,768 | — | — | — |
| 65,536 | — | — | — |
| 131,072 | — | — | — |