Model comparison
Nemotron 3 Nano 30B A3B vs Step 3
Nemotron 3 Nano 30B A3B and Step 3 score almost the same on the Noometry Index (40.6 vs 40.5), so choose on price, context window or the category you care about most.
Last verified . 15 shared benchmarks.
NVIDIA
StepFunSummary
- They share 15 benchmarks with published results for both. Nemotron 3 Nano 30B A3B scores higher in 3 categories and Step 3 in 5 categories; 4 gaps are clear of the uncertainty.
Side by side
| Nemotron 3 Nano 30B A3B | Step 3 | |
|---|---|---|
| Provider | NVIDIA | StepFun |
| Noometry Index | 40.6 | 40.5 |
| Released | 2025-12-15 | — |
| Weights | Open | Open |
| Context window | 262K | — |
| Max output | 262K | — |
| Input $ / M tokens | $0.05 | — |
| Output $ / M tokens | $0.20 | — |
| Results tracked | 18 | 17 |
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Category by category
Coding Too close to call
Nemotron 3 Nano 30B A3B: 40.5 (#138), Step 3: 40.1 (#147)
| Benchmark | Nemotron 3 Nano 30B A3B | Step 3 |
|---|---|---|
| LMArena Coding | 1378 | 1367 |
Reasoning Step 3 leads
Nemotron 3 Nano 30B A3B: 27.1 (#124), Step 3: 28.4 (#105)
| Benchmark | Nemotron 3 Nano 30B A3B | Step 3 |
|---|---|---|
| LMArena Hard Prompts | 1348 | 1355 |
| Kagi LLM Benchmark | — | 62.3% |
Math Too close to call
Nemotron 3 Nano 30B A3B: 37.8 (#147), Step 3: 37.6 (#148)
| Benchmark | Nemotron 3 Nano 30B A3B | Step 3 |
|---|---|---|
| LMArena Math | 1371 | 1366 |
Knowledge Nemotron 3 Nano 30B A3B leads
Nemotron 3 Nano 30B A3B: 38.2 (#148), Step 3: 36.8 (#164)
| Benchmark | Nemotron 3 Nano 30B A3B | Step 3 |
|---|---|---|
| LMArena Expert | 1355 | 1333 |
| Vectara Hallucination Rate | 9.6% | — |
Multimodal Not comparable
Nemotron 3 Nano 30B A3B: —, Step 3: 35.5 (#86)
| Benchmark | Nemotron 3 Nano 30B A3B | Step 3 |
|---|---|---|
| LMArena Vision | — | 1177 |
Multilingual Too close to call
Nemotron 3 Nano 30B A3B: 45.8 (#162), Step 3: 46.3 (#159)
| Benchmark | Nemotron 3 Nano 30B A3B | Step 3 |
|---|---|---|
| LMArena Non-English | 1320 | 1327 |
| LMArena Chinese | 1382 | 1397 |
| LMArena German | 1348 | 1371 |
| LMArena Korean | 1269 | 1269 |
| LMArena Russian | 1303 | 1331 |
| LMArena Spanish | 1376 | 1371 |
| LMArena French | 1396 | — |
| LMArena Japanese | 1268 | — |
Instruction Following Step 3 leads
Nemotron 3 Nano 30B A3B: 68.8 (#180), Step 3: 70.4 (#164)
| Benchmark | Nemotron 3 Nano 30B A3B | Step 3 |
|---|---|---|
| LMArena Instruction Following | 1304 | 1332 |
Long Context Too close to call
Nemotron 3 Nano 30B A3B: 39.5 (#175), Step 3: 40.3 (#157)
| Benchmark | Nemotron 3 Nano 30B A3B | Step 3 |
|---|---|---|
| LMArena Longer Query | 1300 | 1326 |
Writing & Preference Step 3 leads
Nemotron 3 Nano 30B A3B: 52.3 (#174), Step 3: 54.3 (#151)
| Benchmark | Nemotron 3 Nano 30B A3B | Step 3 |
|---|---|---|
| LMArena Text | 1348 | 1350 |
| LMArena Creative Writing | 1269 | 1321 |
| LMArena Multi-Turn | 1319 | 1341 |
Frequently asked questions
Is Nemotron 3 Nano 30B A3B better than Step 3?
Nemotron 3 Nano 30B A3B and Step 3 score almost the same on the Noometry Index (40.6 vs 40.5), so choose on price, context window or the category you care about most.
Is Nemotron 3 Nano 30B A3B or Step 3 better for coding?
They score almost the same on coding (40.5 vs 40.1); test both on your own repository before choosing.
How many benchmarks do Nemotron 3 Nano 30B A3B and Step 3 share?
15 benchmarks have published results for both models. Nemotron 3 Nano 30B A3B has 18 scored results on Noometry and Step 3 has 17.