Model comparison

z_image_turbo vs Qwen2.5-0.5B-Instruct

At Q4_K_M, Qwen2.5-0.5B-Instruct is the smaller download — 397,807,936 bytes against 4,511,501,376.

From the file· summed bytes, KV per layer

Side by side

z_image_turboQwen2.5-0.5B-Instruct
Parameters84M494M
Architecturepigqwen2
Layers24
Native context32,768
Mixture of expertsnono
Quantizations published1732
Smallest quantization0.16 GiB0.31 GiB
Q4_K_M4.20 GiB0.37 GiB
Licenceapache-2.0apache-2.0

KV cache by context

the term that decides long-context viability
Contextz_image_turboQwen2.5-0.5B-InstructRatio
4,0960.05 GiB
8,1920.09 GiB
16,3840.19 GiB
32,7680.38 GiB
65,5360.75 GiB
131,0721.50 GiB