Model comparison
Amazon Nova Experimental Chat 10 20 vs Nemotron 3 Ultra
Amazon Nova Experimental Chat 10 20 and Nemotron 3 Ultra 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 . 16 shared benchmarks.
NVIDIASummary
- They share 16 benchmarks with published results for both. Amazon Nova Experimental Chat 10 20 scores higher in 2 categories and Nemotron 3 Ultra in 6 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Nemotron 3 Ultra leads 52.5 to 38.5.
- Nemotron 3 Ultra has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Experimental Chat 10 20 | Nemotron 3 Ultra | |
|---|---|---|
| Provider | Amazon | NVIDIA |
| Noometry Index | 42.1 | 42.5 |
| Released | — | 2026-06-04 |
| Weights | Proprietary | Open |
| Context window | — | 262K |
| Max output | — | 128K |
| Input $ / M tokens | — | $0.50 |
| Output $ / M tokens | — | $2.20 |
| Results tracked | 17 | 30 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 41.6 (#123), Nemotron 3 Ultra: 38.1 (#182)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Coding | 1412 | 1468 |
| FrontierCode | — | 13.6% |
| SciCode | — | 40.3% |
| WeirdML | — | 43.5% |
Agentic & Tool Use Not comparable
Amazon Nova Experimental Chat 10 20: —, Nemotron 3 Ultra: 23.4 (#126)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Nemotron 3 Ultra |
|---|---|---|
| APEX-Agents | — | 22.7% |
Reasoning Nemotron 3 Ultra leads
Amazon Nova Experimental Chat 10 20: 28.4 (#106), Nemotron 3 Ultra: 31.0 (#82)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1452 |
| CritPt | — | 3.1% |
| Chess Puzzles | — | 12% |
| Mystery Game Puzzles | — | 20% |
| DTBench | — | 90.1% |
| LMCA | — | 36.9% |
| Epoch Capabilities Index | — | 146.17 |
Math Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 39.0 (#119), Nemotron 3 Ultra: 35.3 (#187)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Math | 1425 | 1457 |
| OTIS Mock AIME 2024-2025 | — | 86.7% |
| ProofBench | — | 2% |
Knowledge Nemotron 3 Ultra leads
Amazon Nova Experimental Chat 10 20: 38.5 (#144), Nemotron 3 Ultra: 52.5 (#61)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Expert | 1386 | 1472 |
| GPQA Diamond | — | 85.4% |
Multilingual Nemotron 3 Ultra leads
Amazon Nova Experimental Chat 10 20: 49.5 (#131), Nemotron 3 Ultra: 53.5 (#64)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Non-English | 1372 | 1427 |
| LMArena Chinese | 1404 | 1497 |
| LMArena French | 1425 | 1472 |
| LMArena German | 1391 | 1471 |
| LMArena Korean | 1324 | 1386 |
| LMArena Russian | 1371 | 1417 |
| LMArena Spanish | 1382 | 1454 |
| LMArena Japanese | 1360 | — |
Instruction Following Nemotron 3 Ultra leads
Amazon Nova Experimental Chat 10 20: 72.1 (#141), Nemotron 3 Ultra: 74.7 (#88)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Instruction Following | 1365 | 1418 |
Long Context Nemotron 3 Ultra leads
Amazon Nova Experimental Chat 10 20: 41.7 (#133), Nemotron 3 Ultra: 43.9 (#81)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Longer Query | 1370 | 1437 |
Writing & Preference Nemotron 3 Ultra leads
Amazon Nova Experimental Chat 10 20: 56.6 (#136), Nemotron 3 Ultra: 66.3 (#36)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Text | 1394 | 1445 |
| LMArena Creative Writing | 1318 | 1398 |
| LMArena Multi-Turn | 1364 | 1411 |
| EQ-Bench Creative Writing | — | 1692 |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 20 better than Nemotron 3 Ultra?
Amazon Nova Experimental Chat 10 20 and Nemotron 3 Ultra 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 Nemotron 3 Ultra better for coding?
Amazon Nova Experimental Chat 10 20 scores higher on coding benchmarks: 41.6 versus 38.1 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 10 20 and Nemotron 3 Ultra share?
16 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and Nemotron 3 Ultra has 30.