Model comparison
Amazon Nova Experimental Chat 12 10 vs Qwen3.5 27B
Amazon Nova Experimental Chat 12 10 is the stronger model overall, scoring 42.9 to 41.9 on the Noometry Index.
Last verified . 12 shared benchmarks.
Alibaba (Qwen)Summary
- They share 12 benchmarks with published results for both. Amazon Nova Experimental Chat 12 10 scores higher in 6 categories and Qwen3.5 27B in 2 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in coding, where Amazon Nova Experimental Chat 12 10 leads 42.2 to 38.9.
- Qwen3.5 27B has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Experimental Chat 12 10 | Qwen3.5 27B | |
|---|---|---|
| Provider | Amazon | Alibaba (Qwen) |
| Noometry Index | 42.9 | 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 | 12 | 28 |
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Category by category
Coding Amazon Nova Experimental Chat 12 10 leads
Amazon Nova Experimental Chat 12 10: 42.2 (#110), Qwen3.5 27B: 38.9 (#168)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Qwen3.5 27B |
|---|---|---|
| LMArena Coding | 1430 | 1427 |
| LMArena WebDev | — | 1358 |
| WeirdML | — | 39.5% |
| ALE-Bench | — | 349.45 |
Agentic & Tool Use Not comparable
Amazon Nova Experimental Chat 12 10: —, Qwen3.5 27B: —
| Benchmark | Amazon Nova Experimental Chat 12 10 | Qwen3.5 27B |
|---|---|---|
| Vending-Bench 2 | — | 201.98 |
Reasoning Amazon Nova Experimental Chat 12 10 leads
Amazon Nova Experimental Chat 12 10: 29.3 (#94), Qwen3.5 27B: 27.5 (#117)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Qwen3.5 27B |
|---|---|---|
| LMArena Hard Prompts | 1427 | 1414 |
| NYT Connections (extended) | — | 47.9% |
| Thematic Generalization | — | 45.5% |
| DTBench | — | 82.4% |
| LMCA | — | 34% |
Math Too close to call
Amazon Nova Experimental Chat 12 10: 38.9 (#124), Qwen3.5 27B: 38.8 (#127)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Qwen3.5 27B |
|---|---|---|
| LMArena Math | 1419 | 1429 |
| MathArena Final-Answer Competitions | — | 56.7% |
Knowledge Amazon Nova Experimental Chat 12 10 leads
Amazon Nova Experimental Chat 12 10: 39.2 (#136), Qwen3.5 27B: 38.0 (#150)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Qwen3.5 27B |
|---|---|---|
| LMArena Expert | 1408 | 1428 |
| Vectara Hallucination Rate | — | 12.1% |
Multimodal Not comparable
Amazon Nova Experimental Chat 12 10: —, Qwen3.5 27B: 39.4 (#59)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Qwen3.5 27B |
|---|---|---|
| LMArena Vision | — | 1241 |
Multilingual Too close to call
Amazon Nova Experimental Chat 12 10: 51.4 (#108), Qwen3.5 27B: 50.8 (#115)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Qwen3.5 27B |
|---|---|---|
| LMArena Non-English | 1398 | 1390 |
| LMArena Chinese | 1440 | 1478 |
| LMArena Russian | 1395 | 1390 |
| LMArena French | — | 1410 |
| LMArena German | — | 1393 |
| LMArena Japanese | — | 1345 |
| LMArena Korean | — | 1358 |
| LMArena Spanish | — | 1407 |
Instruction Following Too close to call
Amazon Nova Experimental Chat 12 10: 73.2 (#123), Qwen3.5 27B: 73.5 (#119)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Qwen3.5 27B |
|---|---|---|
| LMArena Instruction Following | 1387 | 1393 |
Long Context Too close to call
Amazon Nova Experimental Chat 12 10: 42.4 (#125), Qwen3.5 27B: 43.1 (#106)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Qwen3.5 27B |
|---|---|---|
| LMArena Longer Query | 1391 | 1413 |
Writing & Preference Too close to call
Amazon Nova Experimental Chat 12 10: 59.5 (#110), Qwen3.5 27B: 59.3 (#111)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Qwen3.5 27B |
|---|---|---|
| LMArena Text | 1420 | 1409 |
| LMArena Creative Writing | 1350 | 1362 |
| LMArena Multi-Turn | 1409 | 1410 |
Frequently asked questions
Is Amazon Nova Experimental Chat 12 10 better than Qwen3.5 27B?
Amazon Nova Experimental Chat 12 10 is the stronger model overall, scoring 42.9 to 41.9 on the Noometry Index.
Is Amazon Nova Experimental Chat 12 10 or Qwen3.5 27B better for coding?
Amazon Nova Experimental Chat 12 10 scores higher on coding benchmarks: 42.2 versus 38.9 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 12 10 and Qwen3.5 27B share?
12 benchmarks have published results for both models. Amazon Nova Experimental Chat 12 10 has 12 scored results on Noometry and Qwen3.5 27B has 28.