Model comparison

Qwen3-Coder-30B-A3B-Instruct vs Qwen3.6-21B-IQ-Ultra-Heretic-Uncensored-Thinking

At Q4_K_M, Qwen3.6-21B-IQ-Ultra-Heretic-Uncensored-Thinking is the smaller download — 12,852,817,792 bytes against 18,556,689,568. At long context the gap widens: Qwen3.6-21B-IQ-Ultra-Heretic-Uncensored-Thinking's KV cache at 32K is 2.0× smaller, which usually matters more than the difference in weights.

From the file· summed bytes, KV per layer

Side by side

Qwen3-Coder-30B-A3B-InstructQwen3.6-21B-IQ-Ultra-Heretic-Uncensored-Thinking
Parameters30.5B21.3B
Architectureqwen3moeqwen35
Layers4848
Native context262,144262,144
Mixture of expertsyes, 128 expertsno
Quantizations published4634
Smallest quantization7.46 GiB5.30 GiB
Q4_K_M17.28 GiB11.97 GiB
Licenceapache-2.0apache-2.0

KV cache by context

the term that decides long-context viability
ContextQwen3-Coder-30B-A3B-InstructQwen3.6-21B-IQ-Ultra-Heretic-Uncensored-ThinkingRatio
4,0960.38 GiB0.19 GiB2.00×
8,1920.75 GiB0.38 GiB2.00×
16,3841.50 GiB0.75 GiB2.00×
32,7683.00 GiB1.50 GiB2.00×
65,5366.00 GiB3.00 GiB2.00×
131,07212.00 GiB6.00 GiB2.00×