Model comparison
Nova 2.0 Pro Preview vs Qwen3.5 27B
Qwen3.5 27B is the stronger model overall, scoring 41.4 to 32.8 on the Noometry Index.
Last verified . 0 shared benchmarks.
Alibaba (Qwen)Summary
- The widest gap is in reasoning, where Qwen3.5 27B leads 26.6 to 21.7.
- Qwen3.5 27B has downloadable open weights; the other is API-only.
Side by side
| Nova 2.0 Pro Preview | Qwen3.5 27B | |
|---|---|---|
| Provider | Amazon | Alibaba (Qwen) |
| Noometry Index | 32.8 | 41.4 |
| Released | 2025-12-02 | 2026-02-23 |
| Weights | Proprietary | Open |
| Context window | — | 262K |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.30 |
| Output $ / M tokens | — | $2.40 |
| Results tracked | 3 | 28 |
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Category by category
Coding Nova 2.0 Pro Preview leads
Nova 2.0 Pro Preview: 40.2 (#130), Qwen3.5 27B: 38.6 (#159)
| Benchmark | Nova 2.0 Pro Preview | Qwen3.5 27B |
|---|---|---|
| LMArena WebDev | — | 1357 |
| SciCode | 42.7% | — |
| WeirdML | — | 39.5% |
| LMArena Coding | — | 1427 |
| ALE-Bench | — | 349.45 |
Agentic & Tool Use Not comparable
Nova 2.0 Pro Preview: 21.9 (#127), Qwen3.5 27B: —
| Benchmark | Nova 2.0 Pro Preview | Qwen3.5 27B |
|---|---|---|
| GDP.pdf | 2% | — |
| Vending-Bench 2 | — | 201.98 |
Reasoning Qwen3.5 27B leads
Nova 2.0 Pro Preview: 21.7 (#189), Qwen3.5 27B: 26.6 (#116)
| Benchmark | Nova 2.0 Pro Preview | Qwen3.5 27B |
|---|---|---|
| NYT Connections (extended) | — | 47.9% |
| CritPt | 0% | — |
| Thematic Generalization | — | 45.5% |
| LMArena Hard Prompts | — | 1414 |
| DTBench | — | 82.4% |
| LMCA | — | 34% |
Math Not comparable
Nova 2.0 Pro Preview: —, Qwen3.5 27B: 36.8 (#103)
| Benchmark | Nova 2.0 Pro Preview | Qwen3.5 27B |
|---|---|---|
| MathArena Final-Answer Competitions | — | 56.7% |
| LMArena Math | — | 1428 |
Knowledge Not comparable
Nova 2.0 Pro Preview: —, Qwen3.5 27B: 37.4 (#149)
| Benchmark | Nova 2.0 Pro Preview | Qwen3.5 27B |
|---|---|---|
| Vectara Hallucination Rate | — | 12.1% |
| LMArena Expert | — | 1428 |
Multimodal Not comparable
Nova 2.0 Pro Preview: —, Qwen3.5 27B: 38.7 (#56)
| Benchmark | Nova 2.0 Pro Preview | Qwen3.5 27B |
|---|---|---|
| LMArena Vision | — | 1240 |
Multilingual Not comparable
Nova 2.0 Pro Preview: —, Qwen3.5 27B: 51.0 (#112)
| Benchmark | Nova 2.0 Pro Preview | Qwen3.5 27B |
|---|---|---|
| LMArena Non-English | — | 1390 |
| LMArena Chinese | — | 1478 |
| LMArena French | — | 1409 |
| LMArena German | — | 1393 |
| LMArena Japanese | — | 1345 |
| LMArena Korean | — | 1359 |
| LMArena Russian | — | 1389 |
| LMArena Spanish | — | 1408 |
Instruction Following Not comparable
Nova 2.0 Pro Preview: —, Qwen3.5 27B: 73.7 (#114)
| Benchmark | Nova 2.0 Pro Preview | Qwen3.5 27B |
|---|---|---|
| LMArena Instruction Following | — | 1393 |
Long Context Not comparable
Nova 2.0 Pro Preview: —, Qwen3.5 27B: 43.1 (#103)
| Benchmark | Nova 2.0 Pro Preview | Qwen3.5 27B |
|---|---|---|
| LMArena Longer Query | — | 1413 |
Writing & Preference Not comparable
Nova 2.0 Pro Preview: —, Qwen3.5 27B: 59.5 (#106)
| Benchmark | Nova 2.0 Pro Preview | Qwen3.5 27B |
|---|---|---|
| LMArena Text | — | 1409 |
| LMArena Creative Writing | — | 1362 |
| LMArena Multi-Turn | — | 1410 |
Frequently asked questions
Is Nova 2.0 Pro Preview better than Qwen3.5 27B?
Qwen3.5 27B is the stronger model overall, scoring 41.4 to 32.8 on the Noometry Index.
Is Nova 2.0 Pro Preview or Qwen3.5 27B better for coding?
Nova 2.0 Pro Preview scores higher on coding benchmarks: 40.2 versus 38.6 in the Noometry coding category.
How many benchmarks do Nova 2.0 Pro Preview and Qwen3.5 27B share?
0 benchmarks have published results for both models. Nova 2.0 Pro Preview has 3 scored results on Noometry and Qwen3.5 27B has 28.