# Nemotron 3 Ultra vs Solar Pro4

> Nemotron 3 Ultra and Solar Pro4 score almost the same on the Noometry Index (42.5 vs 42.1), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/nemotron-3-ultra-vs-solar-pro4
- Last updated: 2026-10-12
- Shared benchmarks: 16

## Summary

- 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 39.8.
- 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.

## Snapshot

| | Nemotron 3 Ultra | Solar Pro4 |
|---|---|---|
| Provider | NVIDIA | Upstage |
| Noometry Index | 42.5 | 42.1 |
| Rank | 113 | 121 |
| Context | 262K | 524K |
| Input $/M | $0.60 | $0.30 |
| Output $/M | $2.40 | $1.20 |
| Weights | Open | Proprietary |

## Coding

- Nemotron 3 Ultra: 38.1 (#182)
- Solar Pro4: 40.1 (#149)

| Benchmark | Nemotron 3 Ultra | Solar Pro4 |
|---|---|---|
| LMArena Coding | 1468 | 1437 |
| FrontierCode | 13.6% | — |
| LMArena WebDev | — | 1371 |
| SciCode | 40.3% | — |
| WeirdML | 43.5% | — |

## Agentic & Tool Use

- Nemotron 3 Ultra: 23.4 (#126)
- Solar Pro4: —

| Benchmark | Nemotron 3 Ultra | Solar Pro4 |
|---|---|---|
| APEX-Agents | 22.7% | — |

## Reasoning

- Nemotron 3 Ultra: 31.0 (#82)
- Solar Pro4: 28.5 (#104)

| Benchmark | Nemotron 3 Ultra | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1452 | 1399 |
| CritPt | 3.1% | — |
| Chess Puzzles | 12% | — |
| Mystery Game Puzzles | 20% | — |
| DTBench | 90.1% | — |
| LMCA | 36.9% | — |
| Epoch Capabilities Index | 146.17 | — |

## Math

- Nemotron 3 Ultra: 35.3 (#187)
- Solar Pro4: 38.8 (#128)

| Benchmark | Nemotron 3 Ultra | Solar Pro4 |
|---|---|---|
| LMArena Math | 1457 | 1416 |
| OTIS Mock AIME 2024-2025 | 86.7% | — |
| ProofBench | 2% | — |

## Knowledge

- Nemotron 3 Ultra: 52.5 (#61)
- Solar Pro4: 39.8 (#129)

| Benchmark | Nemotron 3 Ultra | Solar Pro4 |
|---|---|---|
| LMArena Expert | 1472 | 1427 |
| GPQA Diamond | 85.4% | — |

## Multilingual

- Nemotron 3 Ultra: 53.5 (#64)
- Solar Pro4: 48.7 (#139)

| Benchmark | Nemotron 3 Ultra | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1427 | 1361 |
| LMArena Chinese | 1497 | 1415 |
| LMArena French | 1472 | 1397 |
| LMArena German | 1471 | 1364 |
| LMArena Korean | 1386 | 1382 |
| LMArena Russian | 1417 | 1360 |
| LMArena Spanish | 1454 | 1401 |
| LMArena Japanese | — | 1309 |

## Instruction Following

- Nemotron 3 Ultra: 74.7 (#88)
- Solar Pro4: 72.7 (#132)

| Benchmark | Nemotron 3 Ultra | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1418 | 1377 |

## Long Context

- Nemotron 3 Ultra: 43.9 (#81)
- Solar Pro4: 42.1 (#130)

| Benchmark | Nemotron 3 Ultra | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1437 | 1381 |

## Writing & Preference

- Nemotron 3 Ultra: 66.3 (#36)
- Solar Pro4: 56.5 (#138)

| Benchmark | Nemotron 3 Ultra | Solar Pro4 |
|---|---|---|
| LMArena Text | 1445 | 1386 |
| LMArena Creative Writing | 1398 | 1316 |
| LMArena Multi-Turn | 1411 | 1385 |
| EQ-Bench Creative Writing | 1692 | — |

## FAQ

### Is Nemotron 3 Ultra better than Solar Pro4?

Nemotron 3 Ultra and Solar Pro4 score almost the same on the Noometry Index (42.5 vs 42.1), so choose on price, context window or the category you care about most.

### 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: 40.1 versus 38.1 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 30 scored results on Noometry and Solar Pro4 has 18.