# Nemotron 3 Ultra vs o1

> Nemotron 3 Ultra is the stronger model overall, scoring 44.7 to 40.6 on the Noometry Index.

- Canonical page: https://noometry.com/compare/nemotron-3-ultra-vs-o1
- Last updated: 2026-10-10
- Shared benchmarks: 23

## Summary

- They share 23 benchmarks with published results for both. Nemotron 3 Ultra scores higher in 4 categories and o1 in 4 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Nemotron 3 Ultra leads 52.5 to 41.5.
- The biggest single-benchmark swing is DTBench: 90.1% for Nemotron 3 Ultra and 74.7% for o1.
- Nemotron 3 Ultra is cheaper at $0.60 / $2.40 per million input/output tokens, against $15 / $60 for o1.
- Nemotron 3 Ultra accepts more context: 262K tokens versus 200K.
- Nemotron 3 Ultra has downloadable open weights; the other is API-only.

## Snapshot

| | Nemotron 3 Ultra | o1 |
|---|---|---|
| Provider | NVIDIA | OpenAI |
| Noometry Index | 44.7 | 40.6 |
| Rank | 71 | 140 |
| Context | 262K | 200K |
| Input $/M | $0.60 | $15 |
| Output $/M | $2.40 | $60 |
| Weights | Open | Proprietary |

## Coding

- Nemotron 3 Ultra: 37.7 (#174)
- o1: 45.7 (#64)

| Benchmark | Nemotron 3 Ultra | o1 |
|---|---|---|
| WeirdML | 43.5% | 47.6% |
| LMArena Coding | 1468 | 1367 |
| FrontierCode | 13.6% | — |
| Aider Polyglot | — | 61.7% |
| SciCode | 40.3% | — |
| LiveBench Coding | — | 69.7% |
| CadEval | — | 56% |
| HumanEval+ | — | 89% |
| MBPP+ | — | 80.2% |

## Agentic & Tool Use

- Nemotron 3 Ultra: —
- o1: 24.3 (#111)

| Benchmark | Nemotron 3 Ultra | o1 |
|---|---|---|
| Cybench | — | 10% |
| METR Time Horizons | — | 51.1% |

## Reasoning

- Nemotron 3 Ultra: 30.3 (#78)
- o1: 27.5 (#103)

| Benchmark | Nemotron 3 Ultra | o1 |
|---|---|---|
| Chess Puzzles | 12% | 15% |
| LMArena Hard Prompts | 1452 | 1372 |
| DTBench | 90.1% | 74.7% |
| LMCA | 36.9% | 22.3% |
| Epoch Capabilities Index | 146.2 | 141.92 |
| SimpleBench | — | 41.7% |
| ARC-AGI-1 | — | 30.7% |
| CritPt | 3.1% | — |
| EnigmaEval | — | 5.7% |
| LiveBench Reasoning | — | 91.6% |
| Mystery Game Puzzles | 20% | — |
| LiveBench Data Analysis | — | 65.5% |
| LiveBench | — | 75.7% |

## Math

- Nemotron 3 Ultra: 34.4 (#160)
- o1: 34.9 (#150)

| Benchmark | Nemotron 3 Ultra | o1 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 86.7% | 73.3% |
| LMArena Math | 1456 | 1388 |
| FrontierMath (Tiers 1-3) | — | 14.7% |
| ProofBench | 2% | — |
| LiveBench Math | — | 80.3% |
| MATH Level 5 | — | 94.7% |
| FrontierMath (Feb 2025 set) | — | 9.3% |

## Knowledge

- Nemotron 3 Ultra: 52.5 (#56)
- o1: 41.5 (#101)

| Benchmark | Nemotron 3 Ultra | o1 |
|---|---|---|
| GPQA Diamond | 85.4% | 76.8% |
| LMArena Expert | 1472 | 1362 |
| Humanity's Last Exam | — | 8% |
| SimpleQA Verified | — | 41.1% |
| Confabulations | — | 11.7% |

## Multimodal

- Nemotron 3 Ultra: —
- o1: 33.6 (#87)

| Benchmark | Nemotron 3 Ultra | o1 |
|---|---|---|
| LMArena Vision | — | 1168 |
| GeoBench | — | 80% |
| VPCT | — | 37% |
| SpatialViz-Bench | — | 41.4% |

## Multilingual

- Nemotron 3 Ultra: 53.7 (#61)
- o1: 48.8 (#137)

| Benchmark | Nemotron 3 Ultra | o1 |
|---|---|---|
| LMArena Non-English | 1427 | 1359 |
| LMArena Chinese | 1498 | 1394 |
| LMArena French | 1475 | 1343 |
| LMArena German | 1471 | 1337 |
| LMArena Korean | 1387 | 1396 |
| LMArena Russian | 1415 | 1356 |
| LMArena Spanish | 1452 | 1345 |
| LMArena Japanese | — | 1346 |

## Instruction Following

- Nemotron 3 Ultra: 74.9 (#84)
- o1: 75.0 (#82)

| Benchmark | Nemotron 3 Ultra | o1 |
|---|---|---|
| LMArena Instruction Following | 1417 | 1368 |
| LiveBench Instruction Following | — | 81.5% |

## Long Context

- Nemotron 3 Ultra: 43.9 (#77)
- o1: 50.3 (#9)

| Benchmark | Nemotron 3 Ultra | o1 |
|---|---|---|
| LMArena Longer Query | 1437 | 1378 |
| Fiction.LiveBench | — | 83.3% |

## Writing & Preference

- Nemotron 3 Ultra: 66.3 (#35)
- o1: 55.8 (#139)

| Benchmark | Nemotron 3 Ultra | o1 |
|---|---|---|
| LMArena Text | 1444 | 1366 |
| LMArena Creative Writing | 1392 | 1347 |
| LMArena Multi-Turn | 1412 | 1368 |
| Short-Story Creative Writing | — | 70.2% |
| EQ-Bench Creative Writing | 1692 | — |
| LiveBench Language | — | 65.4% |

## FAQ

### Is Nemotron 3 Ultra better than o1?

Nemotron 3 Ultra is the stronger model overall, scoring 44.7 to 40.6 on the Noometry Index.

### Which is cheaper, Nemotron 3 Ultra or o1?

Nemotron 3 Ultra is cheaper. It lists at $0.60 per million input tokens and $2.40 per million output tokens; o1 lists at $15 and $60.

### Is Nemotron 3 Ultra or o1 better for coding?

o1 scores higher on coding benchmarks: 45.7 versus 37.7 in the Noometry coding category.

### Which has the bigger context window?

Nemotron 3 Ultra does, with 262K tokens against 200K.

### How many benchmarks do Nemotron 3 Ultra and o1 share?

23 benchmarks have published results for both models. Nemotron 3 Ultra has 29 scored results on Noometry and o1 has 52.