Is Qwen3-53B-A3B-2507-THINKING-TOTAL-RECALL-v2-MASTER-CODER or Qwen3.8-27B smaller?

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

Which uses less memory at long context?

Qwen3.8-27B — its KV cache at 32K context is 2.6x smaller, because of how its attention layers cache.

Model comparison

Qwen3-53B-A3B-2507-THINKING-TOTAL-RECALL-v2-MASTER-CODER vs Qwen3.8-27B

These two publish different quantization sets; the table below has the exact sizes. At long context the gap widens: Qwen3.8-27B's KV cache at 32K is 2.6× smaller, which usually matters more than the difference in weights.

From the file· summed bytes, KV per layer

Side by side

	Qwen3-53B-A3B-2507-THINKING-TOTAL-RECALL-v2-MASTER-CODER	Qwen3.8-27B
Parameters	53.0B	27.8B
Architecture	qwen3moe	qwen35
Layers	84	64
Native context	262,144	262,144
Mixture of experts	yes, 128 experts	no
Quantizations published	23	22
Smallest quantization	10.22 GiB	8.39 GiB
Q4_K_M	—	15.66 GiB
Licence	apache-2.0	apache-2.0

KV cache by context

the term that decides long-context viability

Context	Qwen3-53B-A3B-2507-THINKING-TOTAL-RECALL-v2-MASTER-CODER	Qwen3.8-27B	Ratio
4,096	0.66 GiB	0.25 GiB	2.62×
8,192	1.31 GiB	0.50 GiB	2.62×
16,384	2.63 GiB	1.00 GiB	2.62×
32,768	5.25 GiB	2.00 GiB	2.62×
65,536	10.50 GiB	4.00 GiB	2.62×
131,072	21.00 GiB	8.00 GiB	2.62×