Model comparison

Sulphur-2-base vs Wan2.2-I2V-A14B

At Q4_K_M, Sulphur-2-base is the smaller download — 5,629,108,608 bytes against 9,651,728,896.

From the file· summed bytes, KV per layer

Side by side

Sulphur-2-baseWan2.2-I2V-A14B
Parameters9.2B14.3B
Architectureltxvwan
Layers
Native context
Mixture of expertsnono
Quantizations published1330
Smallest quantization5.07 GiB4.94 GiB
Q4_K_M5.24 GiB8.99 GiB
Licenceapache-2.0

KV cache by context

the term that decides long-context viability
ContextSulphur-2-baseWan2.2-I2V-A14BRatio
4,096
8,192
16,384
32,768
65,536
131,072