Model comparison
Amazon Nova Experimental Chat 10 09 vs Qwen3.8 27B
Qwen3.8 27B is the stronger model overall, scoring 46.0 to 41.9 on the Noometry Index.
Last verified . 9 shared benchmarks.
Alibaba (Qwen)Summary
- They share 9 benchmarks with published results for both. Amazon Nova Experimental Chat 10 09 scores higher in 0 categories and Qwen3.8 27B in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Qwen3.8 27B leads 41.0 to 27.3.
- Qwen3.8 27B has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Experimental Chat 10 09 | Qwen3.8 27B | |
|---|---|---|
| Provider | Amazon | Alibaba (Qwen) |
| Noometry Index | 41.9 | 46.0 |
| Released | — | 2026-08-14 |
| Weights | Proprietary | Open |
| Context window | — | 262K |
| Max output | — | 33K |
| Input $ / M tokens | — | $0.99 |
| Output $ / M tokens | — | $1.49 |
| Results tracked | 9 | 31 |
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Category by category
Coding Qwen3.8 27B leads
Amazon Nova Experimental Chat 10 09: 40.2 (#145), Qwen3.8 27B: 50.5 (#44)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Qwen3.8 27B |
|---|---|---|
| LMArena Coding | 1370 | 1482 |
| LMArena WebDev | — | 1593 |
| SciCode | — | 46.6% |
Agentic & Tool Use Not comparable
Amazon Nova Experimental Chat 10 09: —, Qwen3.8 27B: 32.9 (#57)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Qwen3.8 27B |
|---|---|---|
| APEX-Agents | — | 47.5% |
Reasoning Qwen3.8 27B leads
Amazon Nova Experimental Chat 10 09: 27.3 (#120), Qwen3.8 27B: 41.0 (#54)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Qwen3.8 27B |
|---|---|---|
| LMArena Hard Prompts | 1356 | 1460 |
| ARC-AGI-2 | — | 42.4% |
| NYT Connections (extended) | — | 54.5% |
| ARC-AGI-1 | — | 87.5% |
| CritPt | — | 5.4% |
| DTBench | — | 88% |
| LMCA | — | 41.4% |
| Surface Evolver Bench | — | 45% |
| Epoch Capabilities Index | — | 149.38 |
Math Not comparable
Amazon Nova Experimental Chat 10 09: —, Qwen3.8 27B: 37.1 (#161)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Qwen3.8 27B |
|---|---|---|
| ProofBench | — | 16% |
| LMArena Math | — | 1456 |
Knowledge Not comparable
Amazon Nova Experimental Chat 10 09: —, Qwen3.8 27B: 41.6 (#109)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Qwen3.8 27B |
|---|---|---|
| LMArena Expert | — | 1482 |
Multimodal Not comparable
Amazon Nova Experimental Chat 10 09: —, Qwen3.8 27B: 41.3 (#37)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Qwen3.8 27B |
|---|---|---|
| LMArena Vision | — | 1271 |
Multilingual Qwen3.8 27B leads
Amazon Nova Experimental Chat 10 09: 47.3 (#150), Qwen3.8 27B: 53.7 (#60)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Qwen3.8 27B |
|---|---|---|
| LMArena Non-English | 1340 | 1430 |
| LMArena Chinese | 1341 | 1504 |
| LMArena French | — | 1465 |
| LMArena German | — | 1438 |
| LMArena Japanese | — | 1384 |
| LMArena Korean | — | 1393 |
| LMArena Russian | — | 1415 |
| LMArena Spanish | — | 1448 |
Instruction Following Qwen3.8 27B leads
Amazon Nova Experimental Chat 10 09: 69.4 (#172), Qwen3.8 27B: 75.8 (#53)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Qwen3.8 27B |
|---|---|---|
| LMArena Instruction Following | 1315 | 1439 |
Long Context Qwen3.8 27B leads
Amazon Nova Experimental Chat 10 09: 40.5 (#152), Qwen3.8 27B: 44.3 (#70)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Qwen3.8 27B |
|---|---|---|
| LMArena Longer Query | 1333 | 1450 |
Writing & Preference Qwen3.8 27B leads
Amazon Nova Experimental Chat 10 09: 54.7 (#149), Qwen3.8 27B: 65.8 (#43)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Qwen3.8 27B |
|---|---|---|
| LMArena Text | 1364 | 1441 |
| LMArena Creative Writing | 1307 | 1384 |
| LMArena Multi-Turn | 1355 | 1441 |
| EQ-Bench Creative Writing | — | 1671 |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 09 better than Qwen3.8 27B?
Qwen3.8 27B is the stronger model overall, scoring 46.0 to 41.9 on the Noometry Index.
Is Amazon Nova Experimental Chat 10 09 or Qwen3.8 27B better for coding?
Qwen3.8 27B scores higher on coding benchmarks: 50.5 versus 40.2 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 10 09 and Qwen3.8 27B share?
9 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 09 has 9 scored results on Noometry and Qwen3.8 27B has 31.