Model comparison
Amazon Nova Experimental Chat 10 20 vs Gemma 3 12B
Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 41.5 to 31.8 on the Noometry Index.
Last verified . 12 shared benchmarks.
GoogleSummary
- They share 12 benchmarks with published results for both. Amazon Nova Experimental Chat 10 20 scores higher in 8 categories and Gemma 3 12B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Amazon Nova Experimental Chat 10 20 leads 36.2 to 21.0.
- Gemma 3 12B has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Experimental Chat 10 20 | Gemma 3 12B | |
|---|---|---|
| Provider | Amazon | |
| Noometry Index | 41.5 | 31.8 |
| Released | — | 2025-03-12 |
| Weights | Proprietary | Open |
| Context window | — | 131K |
| Max output | — | 8K |
| Input $ / M tokens | — | $0.05 |
| Output $ / M tokens | — | $0.15 |
| Results tracked | 17 | 24 |
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Category by category
Coding Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 41.0 (#123), Gemma 3 12B: 31.2 (#276)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 3 12B |
|---|---|---|
| LMArena Coding | 1413 | 1281 |
| SciCode | — | 17.4% |
Agentic & Tool Use Not comparable
Amazon Nova Experimental Chat 10 20: —, Gemma 3 12B: 25.3 (#101)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 3 12B |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 30.4% |
Reasoning Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 27.3 (#110), Gemma 3 12B: 15.2 (#307)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 3 12B |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1309 |
| CritPt | — | 0% |
| Chess Puzzles | — | 0% |
| DTBench | — | 48.8% |
| LMCA | — | 4.5% |
| Epoch Capabilities Index | — | 123.49 |
Math Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 36.2 (#121), Gemma 3 12B: 21.0 (#273)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 3 12B |
|---|---|---|
| LMArena Math | 1425 | 1307 |
| OTIS Mock AIME 2024-2025 | — | 16.7% |
Knowledge Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 37.8 (#142), Gemma 3 12B: 26.5 (#250)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 3 12B |
|---|---|---|
| LMArena Expert | 1385 | 1248 |
| GPQA Diamond | — | 39.5% |
| Vectara Hallucination Rate | — | 4.4% |
Multimodal Not comparable
Amazon Nova Experimental Chat 10 20: —, Gemma 3 12B: —
| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 3 12B |
|---|---|---|
| MindCube | — | 46.7% |
Multilingual Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 49.7 (#127), Gemma 3 12B: 45.9 (#160)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 3 12B |
|---|---|---|
| LMArena Non-English | 1372 | 1318 |
| LMArena German | 1391 | 1370 |
| LMArena Russian | 1371 | 1335 |
| LMArena Chinese | 1405 | — |
| LMArena French | 1426 | — |
| LMArena Japanese | 1355 | — |
| LMArena Korean | 1327 | — |
| LMArena Spanish | 1381 | — |
Instruction Following Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 72.3 (#136), Gemma 3 12B: 68.8 (#179)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 3 12B |
|---|---|---|
| LMArena Instruction Following | 1365 | 1299 |
Long Context Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 41.7 (#128), Gemma 3 12B: 40.0 (#157)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 3 12B |
|---|---|---|
| LMArena Longer Query | 1370 | 1317 |
Writing & Preference Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 56.9 (#131), Gemma 3 12B: 47.7 (#205)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemma 3 12B |
|---|---|---|
| LMArena Text | 1394 | 1334 |
| LMArena Creative Writing | 1318 | 1331 |
| LMArena Multi-Turn | 1364 | 1334 |
| EQ-Bench Creative Writing | — | 1126 |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 20 better than Gemma 3 12B?
Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 41.5 to 31.8 on the Noometry Index.
Is Amazon Nova Experimental Chat 10 20 or Gemma 3 12B better for coding?
Amazon Nova Experimental Chat 10 20 scores higher on coding benchmarks: 41.0 versus 31.2 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 10 20 and Gemma 3 12B share?
12 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and Gemma 3 12B has 24.