Model comparison
Amazon Nova Experimental Chat 10 20 vs Qwen3.5-Flash
Amazon Nova Experimental Chat 10 20 and Qwen3.5-Flash score almost the same on the Noometry Index (42.1 vs 42.5), 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 2 categories and Qwen3.5-Flash in 6 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in coding, where Amazon Nova Experimental Chat 10 20 leads 41.6 to 34.2.
Side by side
| Amazon Nova Experimental Chat 10 20 | Qwen3.5-Flash | |
|---|---|---|
| Provider | Amazon | Alibaba (Qwen) |
| Noometry Index | 42.1 | 42.5 |
| Released | — | 2026-02-23 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1M |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.10 |
| Output $ / M tokens | — | $0.40 |
| Results tracked | 17 | 32 |
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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-Flash: 34.2 (#242)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3.5-Flash |
|---|---|---|
| LMArena Coding | 1412 | 1412 |
| LMArena WebDev | — | 1244 |
| ALE-Bench | — | 221.8 |
Agentic & Tool Use Not comparable
Amazon Nova Experimental Chat 10 20: —, Qwen3.5-Flash: —
| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3.5-Flash |
|---|---|---|
| Vending-Bench 2 | — | 462.69 |
Reasoning Qwen3.5-Flash leads
Amazon Nova Experimental Chat 10 20: 28.4 (#106), Qwen3.5-Flash: 33.7 (#72)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3.5-Flash |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1403 |
| Chess Puzzles | — | 21% |
| Mystery Game Puzzles | — | 20% |
| DTBench | — | 82.9% |
| LMCA | — | 29.1% |
| Epoch Capabilities Index | — | 143.98 |
Math Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 39.0 (#119), Qwen3.5-Flash: 37.4 (#158)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3.5-Flash |
|---|---|---|
| LMArena Math | 1425 | 1407 |
| FrontierMath (Tiers 1-3) | — | 18.2% |
| OTIS Mock AIME 2024-2025 | — | 84.4% |
| FrontierMath (Feb 2025 set) | — | 6.2% |
| FrontierMath Tier 4 (v1) | — | 0% |
Knowledge Qwen3.5-Flash leads
Amazon Nova Experimental Chat 10 20: 38.5 (#144), Qwen3.5-Flash: 43.2 (#93)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3.5-Flash |
|---|---|---|
| LMArena Expert | 1386 | 1407 |
| GPQA Diamond | — | 82.3% |
| SimpleQA Verified | — | 20.3% |
| Vectara Hallucination Rate | — | 10.5% |
Multilingual Too close to call
Amazon Nova Experimental Chat 10 20: 49.5 (#131), Qwen3.5-Flash: 50.5 (#121)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3.5-Flash |
|---|---|---|
| LMArena Non-English | 1372 | 1385 |
| LMArena Chinese | 1404 | 1446 |
| LMArena French | 1425 | 1412 |
| LMArena German | 1391 | 1390 |
| LMArena Japanese | 1360 | 1368 |
| LMArena Korean | 1324 | 1344 |
| LMArena Russian | 1371 | 1379 |
| LMArena Spanish | 1382 | 1400 |
Instruction Following Too close to call
Amazon Nova Experimental Chat 10 20: 72.1 (#141), Qwen3.5-Flash: 72.6 (#139)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3.5-Flash |
|---|---|---|
| LMArena Instruction Following | 1365 | 1374 |
Long Context Too close to call
Amazon Nova Experimental Chat 10 20: 41.7 (#133), Qwen3.5-Flash: 42.4 (#124)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3.5-Flash |
|---|---|---|
| LMArena Longer Query | 1370 | 1392 |
Writing & Preference Qwen3.5-Flash leads
Amazon Nova Experimental Chat 10 20: 56.6 (#136), Qwen3.5-Flash: 57.9 (#122)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Qwen3.5-Flash |
|---|---|---|
| LMArena Text | 1394 | 1397 |
| LMArena Creative Writing | 1318 | 1343 |
| LMArena Multi-Turn | 1364 | 1393 |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 20 better than Qwen3.5-Flash?
Amazon Nova Experimental Chat 10 20 and Qwen3.5-Flash score almost the same on the Noometry Index (42.1 vs 42.5), so choose on price, context window or the category you care about most.
Is Amazon Nova Experimental Chat 10 20 or Qwen3.5-Flash better for coding?
Amazon Nova Experimental Chat 10 20 scores higher on coding benchmarks: 41.6 versus 34.2 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 10 20 and Qwen3.5-Flash share?
17 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and Qwen3.5-Flash has 32.