Model comparison
Nemotron 3 Ultra vs Solar Pro4
Nemotron 3 Ultra is the stronger model overall, scoring 44.7 to 41.5 on the Noometry Index. Solar Pro4 costs 2.0× less per token, which makes it the better buy when Nemotron 3 Ultra's lead doesn't matter for your workload.
Last verified . 16 shared benchmarks.
NVIDIA
UpstageSummary
- They share 16 benchmarks with published results for both. Nemotron 3 Ultra scores higher in 6 categories and Solar Pro4 in 2 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Nemotron 3 Ultra leads 52.5 to 39.0.
- Solar Pro4 is cheaper at $0.30 / $1.20 per million input/output tokens, against $0.60 / $2.40 for Nemotron 3 Ultra.
- Solar Pro4 accepts more context: 524K tokens versus 262K.
- Nemotron 3 Ultra has downloadable open weights; the other is API-only.
Side by side
| Nemotron 3 Ultra | Solar Pro4 | |
|---|---|---|
| Provider | NVIDIA | Upstage |
| Noometry Index | 44.7 | 41.5 |
| Released | 2026-06-04 | 2026-08-06 |
| Weights | Open | Proprietary |
| Context window | 262K | 524K |
| Max output | 128K | 131K |
| Input $ / M tokens | $0.60 | $0.30 |
| Output $ / M tokens | $2.40 | $1.20 |
| Results tracked | 29 | 18 |
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Category by category
Coding Solar Pro4 leads
Nemotron 3 Ultra: 37.7 (#174), Solar Pro4: 39.9 (#135)
| Benchmark | Nemotron 3 Ultra | Solar Pro4 |
|---|---|---|
| LMArena Coding | 1468 | 1439 |
| FrontierCode | 13.6% | — |
| LMArena WebDev | — | 1371 |
| SciCode | 40.3% | — |
| WeirdML | 43.5% | — |
Reasoning Nemotron 3 Ultra leads
Nemotron 3 Ultra: 30.3 (#78), Solar Pro4: 27.3 (#107)
| Benchmark | Nemotron 3 Ultra | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1452 | 1398 |
| CritPt | 3.1% | — |
| Chess Puzzles | 12% | — |
| Mystery Game Puzzles | 20% | — |
| DTBench | 90.1% | — |
| LMCA | 36.9% | — |
| Epoch Capabilities Index | 146.2 | — |
Math Solar Pro4 leads
Nemotron 3 Ultra: 34.4 (#160), Solar Pro4: 36.1 (#129)
| Benchmark | Nemotron 3 Ultra | Solar Pro4 |
|---|---|---|
| LMArena Math | 1456 | 1418 |
| OTIS Mock AIME 2024-2025 | 86.7% | — |
| ProofBench | 2% | — |
Knowledge Nemotron 3 Ultra leads
Nemotron 3 Ultra: 52.5 (#56), Solar Pro4: 39.0 (#128)
| Benchmark | Nemotron 3 Ultra | Solar Pro4 |
|---|---|---|
| LMArena Expert | 1472 | 1421 |
| GPQA Diamond | 85.4% | — |
Multilingual Nemotron 3 Ultra leads
Nemotron 3 Ultra: 53.7 (#61), Solar Pro4: 49.0 (#134)
| Benchmark | Nemotron 3 Ultra | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1427 | 1362 |
| LMArena Chinese | 1498 | 1417 |
| LMArena French | 1475 | 1403 |
| LMArena German | 1471 | 1351 |
| LMArena Korean | 1387 | 1383 |
| LMArena Russian | 1415 | 1360 |
| LMArena Spanish | 1452 | 1408 |
| LMArena Japanese | — | 1300 |
Instruction Following Nemotron 3 Ultra leads
Nemotron 3 Ultra: 74.9 (#84), Solar Pro4: 72.8 (#128)
| Benchmark | Nemotron 3 Ultra | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1417 | 1376 |
Long Context Nemotron 3 Ultra leads
Nemotron 3 Ultra: 43.9 (#77), Solar Pro4: 42.0 (#125)
| Benchmark | Nemotron 3 Ultra | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1437 | 1379 |
Writing & Preference Nemotron 3 Ultra leads
Nemotron 3 Ultra: 66.3 (#35), Solar Pro4: 56.7 (#133)
| Benchmark | Nemotron 3 Ultra | Solar Pro4 |
|---|---|---|
| LMArena Text | 1444 | 1386 |
| LMArena Creative Writing | 1392 | 1313 |
| LMArena Multi-Turn | 1412 | 1391 |
| EQ-Bench Creative Writing | 1692 | — |
Frequently asked questions
Is Nemotron 3 Ultra better than Solar Pro4?
Nemotron 3 Ultra is the stronger model overall, scoring 44.7 to 41.5 on the Noometry Index. Solar Pro4 costs 2.0× less per token, which makes it the better buy when Nemotron 3 Ultra's lead doesn't matter for your workload.
Which is cheaper, Nemotron 3 Ultra or Solar Pro4?
Solar Pro4 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; Nemotron 3 Ultra lists at $0.60 and $2.40.
Is Nemotron 3 Ultra or Solar Pro4 better for coding?
Solar Pro4 scores higher on coding benchmarks: 39.9 versus 37.7 in the Noometry coding category.
Which has the bigger context window?
Solar Pro4 does, with 524K tokens against 262K.
How many benchmarks do Nemotron 3 Ultra and Solar Pro4 share?
16 benchmarks have published results for both models. Nemotron 3 Ultra has 29 scored results on Noometry and Solar Pro4 has 18.