Is gemma-4-12B-it or UI-TARS-7B-DPO smaller?

UI-TARS-7B-DPO is smaller at Q4_K_M: 4.36 GiB against 6.63 GiB.

Which uses less memory at long context?

UI-TARS-7B-DPO — its KV cache at 32K context is 1.4x smaller, because of how its attention layers cache.

Model comparison

gemma-4-12B-it vs UI-TARS-7B-DPO

At Q4_K_M, UI-TARS-7B-DPO is the smaller download — 4,683,071,424 bytes against 7,121,861,440. At long context the gap widens: UI-TARS-7B-DPO's KV cache at 32K is 1.4× smaller, which usually matters more than the difference in weights.

From the file· summed bytes, KV per layer

Side by side

	gemma-4-12B-it	UI-TARS-7B-DPO
Parameters	12.0B	8.3B
Architecture	gemma4	qwen2vl
Layers	48	28
Native context	262,144	32,768
Mixture of experts	no	no
Quantizations published	59	39
Smallest quantization	3.92 GiB	2.59 GiB
Q4_K_M	6.63 GiB	4.36 GiB
Licence	apache-2.0	apache-2.0

KV cache by context

the term that decides long-context viability

Context	gemma-4-12B-it	UI-TARS-7B-DPO	Ratio
4,096	0.72 GiB	0.22 GiB	3.29×
8,192	0.97 GiB	0.44 GiB	2.21×
16,384	1.47 GiB	0.88 GiB	1.68×
32,768	2.47 GiB	1.75 GiB	1.41×
65,536	4.47 GiB	3.50 GiB	1.28×
131,072	8.47 GiB	7.00 GiB	1.21×