Model comparison

FableForge-1.5B-v2 vs Qwen3-4B

At Q4_K_M, FableForge-1.5B-v2 is the smaller download — 986,047,904 bytes against 2,497,280,256.

From the file· summed bytes, KV per layer

Side by side

FableForge-1.5B-v2Qwen3-4B
Parameters1.5B4.0B
Architectureqwen2qwen3
Layers36
Native context40,960
Mixture of expertsnono
Quantizations published2329
Smallest quantization0.41 GiB1.01 GiB
Q4_K_M0.92 GiB2.33 GiB
Licenceapache-2.0

KV cache by context

the term that decides long-context viability
ContextFableForge-1.5B-v2Qwen3-4BRatio
4,0960.56 GiB
8,1921.13 GiB
16,3842.25 GiB
32,7684.50 GiB
65,5369.00 GiB
131,07218.00 GiB