Model comparison

gemma-4-12B-it-qat-q4_0-unquantized vs GLM-Z1-Rumination-32B-0414

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 3.1× 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-unquantizedGLM-Z1-Rumination-32B-0414
Parameters12.0B33.1B
Architecturegemma4glm4
Layers4861
Native context262,144131,072
Mixture of expertsnono
Quantizations published229
Smallest quantization6.50 GiB9.45 GiB
Q4_K_M18.66 GiB
Licenceapache-2.0mit

KV cache by context

the term that decides long-context viability
Contextgemma-4-12B-it-qat-q4_0-unquantizedGLM-Z1-Rumination-32B-0414Ratio
4,0960.72 GiB0.95 GiB1.33×
8,1920.97 GiB1.91 GiB1.97×
16,3841.47 GiB3.81 GiB2.60×
32,7682.47 GiB7.63 GiB3.09×
65,5364.47 GiB15.25 GiB3.41×
131,0728.47 GiB30.50 GiB3.60×