Is gemma-4-12B-it-qat-q4_0-unquantized or G4-MeroMero-31B smaller?

Both publish quantizations; compare the table for the exact sizes.

Which uses less memory at long context?

gemma-4-12B-it-qat-q4_0-unquantized — its KV cache at 32K context is 2.5x smaller, because of how its attention layers cache.

Model comparison

gemma-4-12B-it-qat-q4_0-unquantized vs G4-MeroMero-31B

These two publish different quantization sets; the table below has the exact sizes. At long context the gap widens: gemma-4-12B-it-qat-q4_0-unquantized's KV cache at 32K is 2.5× 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-qat-q4_0-unquantized	G4-MeroMero-31B
Parameters	12.0B	31.3B
Architecture	gemma4	gemma4
Layers	48	60
Native context	262,144	262,144
Mixture of experts	no	no
Quantizations published	2	42
Smallest quantization	6.50 GiB	6.67 GiB
Q4_K_M	—	17.40 GiB
Licence	apache-2.0	apache-2.0

KV cache by context

the term that decides long-context viability

Context	gemma-4-12B-it-qat-q4_0-unquantized	G4-MeroMero-31B	Ratio
4,096	0.72 GiB	1.80 GiB	2.50×
8,192	0.97 GiB	2.42 GiB	2.50×
16,384	1.47 GiB	3.67 GiB	2.50×
32,768	2.47 GiB	6.17 GiB	2.50×
65,536	4.47 GiB	11.17 GiB	2.50×
131,072	8.47 GiB	21.17 GiB	2.50×