Model comparison
Amazon Nova Experimental Chat 10 20 vs Nova 2.0 Pro Preview
Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 42.1 to 33.4 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in reasoning, where Amazon Nova Experimental Chat 10 20 leads 28.4 to 22.4.
Side by side
| Amazon Nova Experimental Chat 10 20 | Nova 2.0 Pro Preview | |
|---|---|---|
| Provider | Amazon | Amazon |
| Noometry Index | 42.1 | 33.4 |
| Released | — | 2025-12-02 |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 17 | 3 |
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Category by category
Coding Too close to call
Amazon Nova Experimental Chat 10 20: 41.6 (#123), Nova 2.0 Pro Preview: 40.8 (#133)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova 2.0 Pro Preview |
|---|---|---|
| SciCode | — | 42.7% |
| LMArena Coding | 1412 | — |
Agentic & Tool Use Not comparable
Amazon Nova Experimental Chat 10 20: —, Nova 2.0 Pro Preview: 21.9 (#136)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova 2.0 Pro Preview |
|---|---|---|
| GDP.pdf | — | 2% |
Reasoning Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 28.4 (#106), Nova 2.0 Pro Preview: 22.4 (#194)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova 2.0 Pro Preview |
|---|---|---|
| CritPt | — | 0% |
| LMArena Hard Prompts | 1396 | — |
Math Not comparable
Amazon Nova Experimental Chat 10 20: 39.0 (#119), Nova 2.0 Pro Preview: —
| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Math | 1425 | — |
Knowledge Not comparable
Amazon Nova Experimental Chat 10 20: 38.5 (#144), Nova 2.0 Pro Preview: —
| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Expert | 1386 | — |
Multilingual Not comparable
Amazon Nova Experimental Chat 10 20: 49.5 (#131), Nova 2.0 Pro Preview: —
| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Non-English | 1372 | — |
| LMArena Chinese | 1404 | — |
| LMArena French | 1425 | — |
| LMArena German | 1391 | — |
| LMArena Japanese | 1360 | — |
| LMArena Korean | 1324 | — |
| LMArena Russian | 1371 | — |
| LMArena Spanish | 1382 | — |
Instruction Following Not comparable
Amazon Nova Experimental Chat 10 20: 72.1 (#141), Nova 2.0 Pro Preview: —
| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Instruction Following | 1365 | — |
Long Context Not comparable
Amazon Nova Experimental Chat 10 20: 41.7 (#133), Nova 2.0 Pro Preview: —
| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Longer Query | 1370 | — |
Writing & Preference Not comparable
Amazon Nova Experimental Chat 10 20: 56.6 (#136), Nova 2.0 Pro Preview: —
| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Text | 1394 | — |
| LMArena Creative Writing | 1318 | — |
| LMArena Multi-Turn | 1364 | — |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 20 better than Nova 2.0 Pro Preview?
Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 42.1 to 33.4 on the Noometry Index.
Is Amazon Nova Experimental Chat 10 20 or Nova 2.0 Pro Preview better for coding?
They score almost the same on coding (41.6 vs 40.8); test both on your own repository before choosing.
How many benchmarks do Amazon Nova Experimental Chat 10 20 and Nova 2.0 Pro Preview share?
0 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and Nova 2.0 Pro Preview has 3.