Model comparison
Amazon Nova Experimental Chat 10 20 vs Qwen3.5 27B
Amazon Nova Experimental Chat 10 20 and Qwen3.5 27B score almost the same on the Noometry Index (42.1 vs 41.9), so choose on price, context window or the category you care about most.
Last verified . 17 shared benchmarks.
Alibaba (Qwen)Summary
- They share 17 benchmarks with published results for both. Amazon Nova Experimental Chat 10 20 scores higher in 4 categories and Qwen3.5 27B in 4 categories; 5 gaps are clear of the uncertainty.
- Qwen3.5 27B has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Experimental Chat 10 20 | Qwen3.5 27B | |
|---|---|---|
| Provider | Amazon | Alibaba (Qwen) |
| Noometry Index | 42.1 | 41.9 |
| Released | — | 2026-02-23 |
| Weights | Proprietary | Open |
| Context window | — | 262K |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.30 |
| Output $ / M tokens | — | $2.40 |
| Results tracked | 17 | 28 |
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Category by category
Coding Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 41.6 (#123), Qwen3.5 27B: 38.9 (#168)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3.5 27B |
|---|---|---|
| LMArena Coding | 1412 | 1427 |
| LMArena WebDev | — | 1358 |
| WeirdML | — | 39.5% |
| ALE-Bench | — | 349.45 |
Agentic & Tool Use Not comparable
Amazon Nova Experimental Chat 10 20: —, Qwen3.5 27B: —
| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3.5 27B |
|---|---|---|
| Vending-Bench 2 | — | 201.98 |
Reasoning Too close to call
Amazon Nova Experimental Chat 10 20: 28.4 (#106), Qwen3.5 27B: 27.5 (#117)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3.5 27B |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1414 |
| NYT Connections (extended) | — | 47.9% |
| Thematic Generalization | — | 45.5% |
| DTBench | — | 82.4% |
| LMCA | — | 34% |
Math Too close to call
Amazon Nova Experimental Chat 10 20: 39.0 (#119), Qwen3.5 27B: 38.8 (#127)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3.5 27B |
|---|---|---|
| LMArena Math | 1425 | 1429 |
| MathArena Final-Answer Competitions | — | 56.7% |
Knowledge Too close to call
Amazon Nova Experimental Chat 10 20: 38.5 (#144), Qwen3.5 27B: 38.0 (#150)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3.5 27B |
|---|---|---|
| LMArena Expert | 1386 | 1428 |
| Vectara Hallucination Rate | — | 12.1% |
Multimodal Not comparable
Amazon Nova Experimental Chat 10 20: —, Qwen3.5 27B: 39.4 (#59)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3.5 27B |
|---|---|---|
| LMArena Vision | — | 1241 |
Multilingual Qwen3.5 27B leads
Amazon Nova Experimental Chat 10 20: 49.5 (#131), Qwen3.5 27B: 50.8 (#115)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3.5 27B |
|---|---|---|
| LMArena Non-English | 1372 | 1390 |
| LMArena Chinese | 1404 | 1478 |
| LMArena French | 1425 | 1410 |
| LMArena German | 1391 | 1393 |
| LMArena Japanese | 1360 | 1345 |
| LMArena Korean | 1324 | 1358 |
| LMArena Russian | 1371 | 1390 |
| LMArena Spanish | 1382 | 1407 |
Instruction Following Qwen3.5 27B leads
Amazon Nova Experimental Chat 10 20: 72.1 (#141), Qwen3.5 27B: 73.5 (#119)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3.5 27B |
|---|---|---|
| LMArena Instruction Following | 1365 | 1393 |
Long Context Qwen3.5 27B leads
Amazon Nova Experimental Chat 10 20: 41.7 (#133), Qwen3.5 27B: 43.1 (#106)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3.5 27B |
|---|---|---|
| LMArena Longer Query | 1370 | 1413 |
Writing & Preference Qwen3.5 27B leads
Amazon Nova Experimental Chat 10 20: 56.6 (#136), Qwen3.5 27B: 59.3 (#111)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3.5 27B |
|---|---|---|
| LMArena Text | 1394 | 1409 |
| LMArena Creative Writing | 1318 | 1362 |
| LMArena Multi-Turn | 1364 | 1410 |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 20 better than Qwen3.5 27B?
Amazon Nova Experimental Chat 10 20 and Qwen3.5 27B score almost the same on the Noometry Index (42.1 vs 41.9), so choose on price, context window or the category you care about most.
Is Amazon Nova Experimental Chat 10 20 or Qwen3.5 27B better for coding?
Amazon Nova Experimental Chat 10 20 scores higher on coding benchmarks: 41.6 versus 38.9 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 10 20 and Qwen3.5 27B share?
17 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and Qwen3.5 27B has 28.