Model comparison
Deepseek Coder v2 vs Qwen3.5 Max Preview
Qwen3.5 Max Preview is the stronger model overall, scoring 45.3 to 35.9 on the Noometry Index.
Last verified . 17 shared benchmarks.
DeepSeek
Alibaba (Qwen)Summary
- They share 17 benchmarks with published results for both. Deepseek Coder v2 scores higher in 0 categories and Qwen3.5 Max Preview in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Qwen3.5 Max Preview leads 66.0 to 38.2.
- Deepseek Coder v2 has downloadable open weights; the other is API-only.
Side by side
| Deepseek Coder v2 | Qwen3.5 Max Preview | |
|---|---|---|
| Provider | DeepSeek | Alibaba (Qwen) |
| Noometry Index | 35.9 | 45.3 |
| Released | 2024-06-17 | — |
| Weights | Open | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 24 | 17 |
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Category by category
Coding Qwen3.5 Max Preview leads
Deepseek Coder v2: 38.1 (#183), Qwen3.5 Max Preview: 44.0 (#77)
| Benchmark | Deepseek Coder v2 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Coding | 1251 | 1487 |
| BigCodeBench Instruct | 48.2% | — |
| BigCodeBench Complete | 59.7% | — |
| HumanEval+ | 82.3% | — |
| MBPP+ | 75.1% | — |
Reasoning Qwen3.5 Max Preview leads
Deepseek Coder v2: 23.6 (#176), Qwen3.5 Max Preview: 30.8 (#84)
| Benchmark | Deepseek Coder v2 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Hard Prompts | 1207 | 1483 |
| WinoGrande | 83.7% | — |
Math Qwen3.5 Max Preview leads
Deepseek Coder v2: 34.9 (#190), Qwen3.5 Max Preview: 40.1 (#94)
| Benchmark | Deepseek Coder v2 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Math | 1241 | 1474 |
| GSM8K | 94.5% | — |
Knowledge Qwen3.5 Max Preview leads
Deepseek Coder v2: 32.3 (#212), Qwen3.5 Max Preview: 41.8 (#107)
| Benchmark | Deepseek Coder v2 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Expert | 1181 | 1489 |
| ARC (AI2) Challenge | 64.3% | — |
Multilingual Qwen3.5 Max Preview leads
Deepseek Coder v2: 36.3 (#240), Qwen3.5 Max Preview: 56.2 (#22)
| Benchmark | Deepseek Coder v2 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Non-English | 1182 | 1465 |
| LMArena Chinese | 1201 | 1534 |
| LMArena French | 1185 | 1484 |
| LMArena German | 1164 | 1487 |
| LMArena Japanese | 1126 | 1495 |
| LMArena Korean | 1104 | 1438 |
| LMArena Russian | 1188 | 1471 |
| LMArena Spanish | 1153 | 1470 |
Instruction Following Qwen3.5 Max Preview leads
Deepseek Coder v2: 61.7 (#242), Qwen3.5 Max Preview: 77.0 (#31)
| Benchmark | Deepseek Coder v2 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Instruction Following | 1180 | 1467 |
Long Context Qwen3.5 Max Preview leads
Deepseek Coder v2: 37.0 (#224), Qwen3.5 Max Preview: 45.2 (#45)
| Benchmark | Deepseek Coder v2 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Longer Query | 1219 | 1476 |
Writing & Preference Qwen3.5 Max Preview leads
Deepseek Coder v2: 38.2 (#253), Qwen3.5 Max Preview: 66.0 (#41)
| Benchmark | Deepseek Coder v2 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Text | 1191 | 1470 |
| LMArena Creative Writing | 1120 | 1464 |
| LMArena Multi-Turn | 1177 | 1478 |
Frequently asked questions
Is Deepseek Coder v2 better than Qwen3.5 Max Preview?
Qwen3.5 Max Preview is the stronger model overall, scoring 45.3 to 35.9 on the Noometry Index.
Is Deepseek Coder v2 or Qwen3.5 Max Preview better for coding?
Qwen3.5 Max Preview scores higher on coding benchmarks: 44.0 versus 38.1 in the Noometry coding category.
How many benchmarks do Deepseek Coder v2 and Qwen3.5 Max Preview share?
17 benchmarks have published results for both models. Deepseek Coder v2 has 24 scored results on Noometry and Qwen3.5 Max Preview has 17.