Model comparison
Apertus-70B-Instruct-2509 vs Qwen3-Coder-30B-A3B-Instruct
At Q4_K_M, Qwen3-Coder-30B-A3B-Instruct is the smaller download — 18,556,689,568 bytes against 43,721,584,608. At long context the gap widens: Qwen3-Coder-30B-A3B-Instruct's KV cache at 32K is 3.3× smaller, which usually matters more than the difference in weights.
From the file· summed bytes, KV per layer
Side by side
| Apertus-70B-Instruct-2509 | Qwen3-Coder-30B-A3B-Instruct | |
|---|---|---|
| Parameters | 70.6B | 30.5B |
| Architecture | apertus | qwen3moe |
| Layers | 80 | 48 |
| Native context | 65,536 | 262,144 |
| Mixture of experts | no | yes, 128 experts |
| Quantizations published | 58 | 46 |
| Smallest quantization | 15.46 GiB | 7.46 GiB |
| Q4_K_M | 40.72 GiB | 17.28 GiB |
| Licence | apache-2.0 | apache-2.0 |
KV cache by context
the term that decides long-context viability
| Context | Apertus-70B-Instruct-2509 | Qwen3-Coder-30B-A3B-Instruct | Ratio |
|---|---|---|---|
| 4,096 | 1.25 GiB | 0.38 GiB | 3.33× |
| 8,192 | 2.50 GiB | 0.75 GiB | 3.33× |
| 16,384 | 5.00 GiB | 1.50 GiB | 3.33× |
| 32,768 | 10.00 GiB | 3.00 GiB | 3.33× |
| 65,536 | 20.00 GiB | 6.00 GiB | 3.33× |
| 131,072 | 40.00 GiB | 12.00 GiB | 3.33× |