Model comparison
Nemotron 3 Super vs Step 5 Preview
Step 5 Preview is the stronger model overall, scoring 47.9 to 40.1 on the Noometry Index. Nemotron 3 Super costs 8.3× less per token, which makes it the better buy when Step 5 Preview's lead doesn't matter for your workload.
Last verified . 15 shared benchmarks.
NVIDIA
StepFunSummary
- They share 15 benchmarks with published results for both. Nemotron 3 Super scores higher in 0 categories and Step 5 Preview in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Step 5 Preview leads 40.0 to 18.7.
- The biggest single-benchmark swing is SciCode: 36% for Nemotron 3 Super and 58.9% for Step 5 Preview.
- Nemotron 3 Super is cheaper at $0.08 / $0.45 per million input/output tokens, against $1 / $2.70 for Step 5 Preview.
- Step 5 Preview accepts more context: 1.02M tokens versus 262K.
- Nemotron 3 Super has downloadable open weights; the other is API-only.
Side by side
| Nemotron 3 Super | Step 5 Preview | |
|---|---|---|
| Provider | NVIDIA | StepFun |
| Noometry Index | 40.1 | 47.9 |
| Released | 2026-03-11 | 2026-09-16 |
| Weights | Open | Proprietary |
| Context window | 262K | 1.02M |
| Max output | 131K | 66K |
| Input $ / M tokens | $0.08 | $1 |
| Output $ / M tokens | $0.45 | $2.70 |
| Results tracked | 21 | 18 |
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Category by category
Coding Step 5 Preview leads
Nemotron 3 Super: 39.4 (#158), Step 5 Preview: 51.8 (#36)
| Benchmark | Nemotron 3 Super | Step 5 Preview |
|---|---|---|
| SciCode | 36% | 58.9% |
| LMArena Coding | 1403 | 1480 |
| LMArena WebDev | — | 1564 |
| WeirdML | 38% | — |
| ALE-Bench | 213.9 | — |
Reasoning Step 5 Preview leads
Nemotron 3 Super: 18.7 (#276), Step 5 Preview: 40.0 (#57)
| Benchmark | Nemotron 3 Super | Step 5 Preview |
|---|---|---|
| CritPt | 3.1% | 20.9% |
| LMArena Hard Prompts | 1386 | 1465 |
| NYT Connections (extended) | 15.4% | — |
Math Step 5 Preview leads
Nemotron 3 Super: 39.6 (#101), Step 5 Preview: 46.1 (#72)
| Benchmark | Nemotron 3 Super | Step 5 Preview |
|---|---|---|
| LMArena Math | 1380 | 1470 |
| MathArena Final-Answer Competitions | 60.4% | — |
| ProofBench | — | 42% |
Knowledge Step 5 Preview leads
Nemotron 3 Super: 38.9 (#139), Step 5 Preview: 41.2 (#112)
| Benchmark | Nemotron 3 Super | Step 5 Preview |
|---|---|---|
| LMArena Expert | 1398 | 1470 |
Multimodal Not comparable
Nemotron 3 Super: —, Step 5 Preview: 41.0 (#41)
| Benchmark | Nemotron 3 Super | Step 5 Preview |
|---|---|---|
| LMArena Vision | — | 1267 |
Multilingual Step 5 Preview leads
Nemotron 3 Super: 48.4 (#144), Step 5 Preview: 53.8 (#54)
| Benchmark | Nemotron 3 Super | Step 5 Preview |
|---|---|---|
| LMArena Non-English | 1355 | 1432 |
| LMArena Chinese | 1432 | 1519 |
| LMArena Russian | 1336 | 1436 |
| LMArena Spanish | 1417 | 1439 |
| LMArena French | 1405 | — |
| LMArena German | 1341 | — |
Instruction Following Step 5 Preview leads
Nemotron 3 Super: 71.2 (#154), Step 5 Preview: 76.0 (#50)
| Benchmark | Nemotron 3 Super | Step 5 Preview |
|---|---|---|
| LMArena Instruction Following | 1347 | 1444 |
Long Context Step 5 Preview leads
Nemotron 3 Super: 41.5 (#139), Step 5 Preview: 44.5 (#64)
| Benchmark | Nemotron 3 Super | Step 5 Preview |
|---|---|---|
| LMArena Longer Query | 1362 | 1455 |
Writing & Preference Step 5 Preview leads
Nemotron 3 Super: 55.9 (#140), Step 5 Preview: 62.8 (#71)
| Benchmark | Nemotron 3 Super | Step 5 Preview |
|---|---|---|
| LMArena Text | 1378 | 1442 |
| LMArena Creative Writing | 1317 | 1410 |
| LMArena Multi-Turn | 1369 | 1447 |
Frequently asked questions
Is Nemotron 3 Super better than Step 5 Preview?
Step 5 Preview is the stronger model overall, scoring 47.9 to 40.1 on the Noometry Index. Nemotron 3 Super costs 8.3× less per token, which makes it the better buy when Step 5 Preview's lead doesn't matter for your workload.
Which is cheaper, Nemotron 3 Super or Step 5 Preview?
Nemotron 3 Super is cheaper. It lists at $0.08 per million input tokens and $0.45 per million output tokens; Step 5 Preview lists at $1 and $2.70.
Is Nemotron 3 Super or Step 5 Preview better for coding?
Step 5 Preview scores higher on coding benchmarks: 51.8 versus 39.4 in the Noometry coding category.
Which has the bigger context window?
Step 5 Preview does, with 1.02M tokens against 262K.
How many benchmarks do Nemotron 3 Super and Step 5 Preview share?
15 benchmarks have published results for both models. Nemotron 3 Super has 21 scored results on Noometry and Step 5 Preview has 18.