Is bella-bartender-v2 or Qwen3-4B smaller?

Qwen3-4B is smaller at Q4_K_M: 2.33 GiB against 5.37 GiB.

Which uses less memory at long context?

Qwen3-4B — its KV cache at 32K context is 1.3x smaller, because of how its attention layers cache.

Model comparison

bella-bartender-v2 vs Qwen3-4B

At Q4_K_M, Qwen3-4B is the smaller download — 2,497,280,256 bytes against 5,761,059,584. At long context the gap widens: Qwen3-4B's KV cache at 32K is 1.3× smaller, which usually matters more than the difference in weights.

From the file· summed bytes, KV per layer

Side by side

	bella-bartender-v2	Qwen3-4B
Parameters	9.2B	4.0B
Architecture	gemma2	qwen3
Layers	42	36
Native context	8,192	40,960
Mixture of experts	no	no
Quantizations published	36	29
Smallest quantization	2.22 GiB	1.01 GiB
Q4_K_M	5.37 GiB	2.33 GiB
Licence	apache-2.0	—

KV cache by context

the term that decides long-context viability

Context	bella-bartender-v2	Qwen3-4B	Ratio
4,096	1.31 GiB	0.56 GiB	2.33×
8,192	2.05 GiB	1.13 GiB	1.82×
16,384	3.36 GiB	2.25 GiB	1.49×
32,768	5.99 GiB	4.50 GiB	1.33×
65,536	11.24 GiB	9.00 GiB	1.25×
131,072	21.74 GiB	18.00 GiB	1.21×