Model comparison

Qwen3.8-27B vs ACE-Step-v1-5-XL-DiT-Base

At Q4_K_M, ACE-Step-v1-5-XL-DiT-Base is the smaller download — 11,959,690,752 bytes against 16,810,714,336.

From the file· summed bytes, KV per layer

Side by side

Qwen3.8-27BACE-Step-v1-5-XL-DiT-Base
Parameters27.8B5.0B
Architectureqwen35acestep-dit
Layers64
Native context262,144
Mixture of expertsnono
Quantizations published225
Smallest quantization8.39 GiB11.14 GiB
Q4_K_M15.66 GiB11.14 GiB
Licenceapache-2.0apache-2.0

KV cache by context

the term that decides long-context viability
ContextQwen3.8-27BACE-Step-v1-5-XL-DiT-BaseRatio
4,0960.25 GiB
8,1920.50 GiB
16,3841.00 GiB
32,7682.00 GiB
65,5364.00 GiB
131,0728.00 GiB