Is Qwen3.6-27B or Qwen3.5-9B-Fable-5-Quad-Stock smaller?

Qwen3.5-9B-Fable-5-Quad-Stock is smaller at Q4_K_M: 5.24 GiB against 15.41 GiB.

Which uses less memory at long context?

Qwen3.5-9B-Fable-5-Quad-Stock — its KV cache at 32K context is 2.0x smaller, because of how its attention layers cache.

Model comparison

Qwen3.6-27B vs Qwen3.5-9B-Fable-5-Quad-Stock

At Q4_K_M, Qwen3.5-9B-Fable-5-Quad-Stock is the smaller download — 5,629,110,112 bytes against 16,547,397,888. At long context the gap widens: Qwen3.5-9B-Fable-5-Quad-Stock's KV cache at 32K is 2.0× smaller, which usually matters more than the difference in weights.

From the file· summed bytes, KV per layer

Side by side

	Qwen3.6-27B	Qwen3.5-9B-Fable-5-Quad-Stock
Parameters	27.8B	9.4B
Architecture	qwen35	qwen35
Layers	64	32
Native context	262,144	262,144
Mixture of experts	no	no
Quantizations published	40	3
Smallest quantization	8.74 GiB	4.95 GiB
Q4_K_M	15.41 GiB	5.24 GiB
Licence	apache-2.0	apache-2.0

KV cache by context

the term that decides long-context viability

Context	Qwen3.6-27B	Qwen3.5-9B-Fable-5-Quad-Stock	Ratio
4,096	0.25 GiB	0.13 GiB	2.00×
8,192	0.50 GiB	0.25 GiB	2.00×
16,384	1.00 GiB	0.50 GiB	2.00×
32,768	2.00 GiB	1.00 GiB	2.00×
65,536	4.00 GiB	2.00 GiB	2.00×
131,072	8.00 GiB	4.00 GiB	2.00×