Model comparison
Amazon Nova Experimental Chat 12 10 vs Nemotron 3 Ultra
Amazon Nova Experimental Chat 12 10 and Nemotron 3 Ultra score almost the same on the Noometry Index (42.9 vs 42.5), so choose on price, context window or the category you care about most.
Last verified . 12 shared benchmarks.
NVIDIASummary
- They share 12 benchmarks with published results for both. Amazon Nova Experimental Chat 12 10 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 39.2.
- Nemotron 3 Ultra has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Experimental Chat 12 10 | Nemotron 3 Ultra | |
|---|---|---|
| Provider | Amazon | NVIDIA |
| Noometry Index | 42.9 | 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 | 12 | 30 |
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Category by category
Coding Amazon Nova Experimental Chat 12 10 leads
Amazon Nova Experimental Chat 12 10: 42.2 (#110), Nemotron 3 Ultra: 38.1 (#182)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Coding | 1430 | 1468 |
| FrontierCode | — | 13.6% |
| SciCode | — | 40.3% |
| WeirdML | — | 43.5% |
Agentic & Tool Use Not comparable
Amazon Nova Experimental Chat 12 10: —, Nemotron 3 Ultra: 23.4 (#126)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Nemotron 3 Ultra |
|---|---|---|
| APEX-Agents | — | 22.7% |
Reasoning Nemotron 3 Ultra leads
Amazon Nova Experimental Chat 12 10: 29.3 (#94), Nemotron 3 Ultra: 31.0 (#82)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Hard Prompts | 1427 | 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 12 10 leads
Amazon Nova Experimental Chat 12 10: 38.9 (#124), Nemotron 3 Ultra: 35.3 (#187)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Math | 1419 | 1457 |
| OTIS Mock AIME 2024-2025 | — | 86.7% |
| ProofBench | — | 2% |
Knowledge Nemotron 3 Ultra leads
Amazon Nova Experimental Chat 12 10: 39.2 (#136), Nemotron 3 Ultra: 52.5 (#61)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Expert | 1408 | 1472 |
| GPQA Diamond | — | 85.4% |
Multilingual Nemotron 3 Ultra leads
Amazon Nova Experimental Chat 12 10: 51.4 (#108), Nemotron 3 Ultra: 53.5 (#64)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Non-English | 1398 | 1427 |
| LMArena Chinese | 1440 | 1497 |
| LMArena Russian | 1395 | 1417 |
| LMArena French | — | 1472 |
| LMArena German | — | 1471 |
| LMArena Korean | — | 1386 |
| LMArena Spanish | — | 1454 |
Instruction Following Nemotron 3 Ultra leads
Amazon Nova Experimental Chat 12 10: 73.2 (#123), Nemotron 3 Ultra: 74.7 (#88)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Instruction Following | 1387 | 1418 |
Long Context Nemotron 3 Ultra leads
Amazon Nova Experimental Chat 12 10: 42.4 (#125), Nemotron 3 Ultra: 43.9 (#81)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Longer Query | 1391 | 1437 |
Writing & Preference Nemotron 3 Ultra leads
Amazon Nova Experimental Chat 12 10: 59.5 (#110), Nemotron 3 Ultra: 66.3 (#36)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Nemotron 3 Ultra |
|---|---|---|
| LMArena Text | 1420 | 1445 |
| LMArena Creative Writing | 1350 | 1398 |
| LMArena Multi-Turn | 1409 | 1411 |
| EQ-Bench Creative Writing | — | 1692 |
Frequently asked questions
Is Amazon Nova Experimental Chat 12 10 better than Nemotron 3 Ultra?
Amazon Nova Experimental Chat 12 10 and Nemotron 3 Ultra score almost the same on the Noometry Index (42.9 vs 42.5), so choose on price, context window or the category you care about most.
Is Amazon Nova Experimental Chat 12 10 or Nemotron 3 Ultra better for coding?
Amazon Nova Experimental Chat 12 10 scores higher on coding benchmarks: 42.2 versus 38.1 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 12 10 and Nemotron 3 Ultra share?
12 benchmarks have published results for both models. Amazon Nova Experimental Chat 12 10 has 12 scored results on Noometry and Nemotron 3 Ultra has 30.