Model comparison

SeedVR2-3B vs Qwen3.8-27B

At Q4_K_M, SeedVR2-3B is the smaller download — 11,511,957,408 bytes against 16,810,714,336.

From the file· summed bytes, KV per layer

Side by side

SeedVR2-3BQwen3.8-27B
Parameters3.4B27.8B
Architectureseedvrqwen35
Layers64
Native context262,144
Mixture of expertsnono
Quantizations published222
Smallest quantization3.41 GiB8.39 GiB
Q4_K_M10.72 GiB15.66 GiB
Licenceapache-2.0apache-2.0

KV cache by context

the term that decides long-context viability
ContextSeedVR2-3BQwen3.8-27BRatio
4,0960.25 GiB
8,1920.50 GiB
16,3841.00 GiB
32,7682.00 GiB
65,5364.00 GiB
131,0728.00 GiB