Model comparison
Amazon Nova Experimental Chat 10 20 vs Gemma 4 31B IT
Gemma 4 31B IT is the stronger model overall, scoring 43.2 to 41.5 on the Noometry Index.
Last verified . 14 shared benchmarks.
GoogleSummary
- They share 14 benchmarks with published results for both. Amazon Nova Experimental Chat 10 20 scores higher in 1 category and Gemma 4 31B IT in 7 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemma 4 31B IT leads 41.3 to 36.2.
- Gemma 4 31B IT has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Experimental Chat 10 20 | Gemma 4 31B IT | |
|---|---|---|
| Provider | Amazon | |
| Noometry Index | 41.5 | 43.2 |
| Released | — | 2026-04-02 |
| Weights | Proprietary | Open |
| Context window | — | 262K |
| Max output | — | 33K |
| Input $ / M tokens | — | $0.09 |
| Output $ / M tokens | — | $0.34 |
| Results tracked | 17 | 35 |
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Category by category
Coding Too close to call
Amazon Nova Experimental Chat 10 20: 41.0 (#123), Gemma 4 31B IT: 41.9 (#98)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 4 31B IT |
|---|---|---|
| LMArena Coding | 1413 | 1459 |
| LMArena WebDev | — | 1364 |
| SciCode | — | 43.4% |
| WeirdML | — | 52.3% |
| ALE-Bench | — | 925.5 |
Reasoning Too close to call
Amazon Nova Experimental Chat 10 20: 27.3 (#110), Gemma 4 31B IT: 26.4 (#119)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 4 31B IT |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1448 |
| Kagi LLM Benchmark | — | 63.5% |
| NYT Connections (extended) | — | 70.6% |
| CritPt | — | 1.4% |
| Chess Puzzles | — | 5% |
| Thematic Generalization | — | 53% |
| DTBench | — | 82.7% |
| LMCA | — | 39.3% |
| Surface Evolver Bench | — | 30.6% |
| Epoch Capabilities Index | — | 142.74 |
Math Gemma 4 31B IT leads
Amazon Nova Experimental Chat 10 20: 36.2 (#121), Gemma 4 31B IT: 41.3 (#72)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 4 31B IT |
|---|---|---|
| LMArena Math | 1425 | 1464 |
| OTIS Mock AIME 2024-2025 | — | 73.3% |
Knowledge Too close to call
Amazon Nova Experimental Chat 10 20: 37.8 (#142), Gemma 4 31B IT: 37.9 (#141)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 4 31B IT |
|---|---|---|
| LMArena Expert | 1385 | 1465 |
| GPQA Diamond | — | 75.8% |
| SimpleQA Verified | — | 10.4% |
| Vectara Hallucination Rate | — | 7.4% |
Multimodal Not comparable
Amazon Nova Experimental Chat 10 20: —, Gemma 4 31B IT: 41.0 (#32)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 4 31B IT |
|---|---|---|
| LMArena Vision | — | 1278 |
| LMArena Document | — | 1425 |
Multilingual Gemma 4 31B IT leads
Amazon Nova Experimental Chat 10 20: 49.7 (#127), Gemma 4 31B IT: 54.0 (#52)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 4 31B IT |
|---|---|---|
| LMArena Non-English | 1372 | 1431 |
| LMArena Chinese | 1405 | 1478 |
| LMArena French | 1426 | 1436 |
| LMArena Russian | 1371 | 1462 |
| LMArena Spanish | 1381 | 1443 |
| LMArena German | 1391 | — |
| LMArena Japanese | 1355 | — |
| LMArena Korean | 1327 | — |
Instruction Following Gemma 4 31B IT leads
Amazon Nova Experimental Chat 10 20: 72.3 (#136), Gemma 4 31B IT: 75.6 (#58)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 4 31B IT |
|---|---|---|
| LMArena Instruction Following | 1365 | 1433 |
Long Context Gemma 4 31B IT leads
Amazon Nova Experimental Chat 10 20: 41.7 (#128), Gemma 4 31B IT: 44.2 (#67)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 4 31B IT |
|---|---|---|
| LMArena Longer Query | 1370 | 1446 |
Writing & Preference Gemma 4 31B IT leads
Amazon Nova Experimental Chat 10 20: 56.9 (#131), Gemma 4 31B IT: 60.7 (#92)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 4 31B IT |
|---|---|---|
| LMArena Text | 1394 | 1443 |
| LMArena Creative Writing | 1318 | 1416 |
| LMArena Multi-Turn | 1364 | 1452 |
| EQ-Bench Creative Writing | — | 1368 |
| EQ-Bench 4 | — | 1120 |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 20 better than Gemma 4 31B IT?
Gemma 4 31B IT is the stronger model overall, scoring 43.2 to 41.5 on the Noometry Index.
Is Amazon Nova Experimental Chat 10 20 or Gemma 4 31B IT better for coding?
They score almost the same on coding (41.0 vs 41.9); test both on your own repository before choosing.
How many benchmarks do Amazon Nova Experimental Chat 10 20 and Gemma 4 31B IT share?
14 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and Gemma 4 31B IT has 35.