# Nemotron 3 Ultra vs o1-mini

> Nemotron 3 Ultra is the stronger model overall, scoring 42.5 to 34.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/nemotron-3-ultra-vs-o1-mini
- Last updated: 2026-10-12
- Shared benchmarks: 20

## Summary

- They share 20 benchmarks with published results for both. Nemotron 3 Ultra scores higher in 7 categories and o1-mini in 2 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Nemotron 3 Ultra leads 31.0 to 8.8.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 86.7% for Nemotron 3 Ultra and 46.9% for o1-mini.
- Nemotron 3 Ultra has downloadable open weights; the other is API-only.

## Snapshot

| | Nemotron 3 Ultra | o1-mini |
|---|---|---|
| Provider | NVIDIA | OpenAI |
| Noometry Index | 42.5 | 34.0 |
| Rank | 113 | 235 |
| Context | 262K | — |
| Input $/M | $0.60 | — |
| Output $/M | $2.40 | — |
| Weights | Open | Proprietary |

## Coding

- Nemotron 3 Ultra: 38.1 (#182)
- o1-mini: 35.5 (#224)

| Benchmark | Nemotron 3 Ultra | o1-mini |
|---|---|---|
| WeirdML | 43.5% | 36.3% |
| LMArena Coding | 1468 | 1362 |
| FrontierCode | 13.6% | — |
| Aider Polyglot | — | 32.9% |
| SciCode | 40.3% | — |
| LiveBench Coding | — | 48% |
| HumanEval+ | — | 89% |
| MBPP+ | — | 78.8% |

## Agentic & Tool Use

- Nemotron 3 Ultra: 23.4 (#126)
- o1-mini: 24.6 (#118)

| Benchmark | Nemotron 3 Ultra | o1-mini |
|---|---|---|
| APEX-Agents | 22.7% | — |
| Cybench | — | 10% |

## Reasoning

- Nemotron 3 Ultra: 31.0 (#82)
- o1-mini: 8.8 (#346)

| Benchmark | Nemotron 3 Ultra | o1-mini |
|---|---|---|
| LMArena Hard Prompts | 1452 | 1333 |
| Epoch Capabilities Index | 146.17 | 135.82 |
| ARC-AGI-2 | — | 0.8% |
| SimpleBench | — | 18.1% |
| ARC-AGI-1 | — | 14% |
| CritPt | 3.1% | — |
| Chess Puzzles | 12% | — |
| LiveBench Reasoning | — | 72.3% |
| Mystery Game Puzzles | 20% | — |
| DTBench | 90.1% | — |
| LiveBench Data Analysis | — | 57.9% |
| LMCA | 36.9% | — |
| LiveBench | — | 57.8% |

## Math

- Nemotron 3 Ultra: 35.3 (#187)
- o1-mini: 35.4 (#186)

| Benchmark | Nemotron 3 Ultra | o1-mini |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 86.7% | 46.9% |
| LMArena Math | 1457 | 1358 |
| ProofBench | 2% | — |
| LiveBench Math | — | 62% |
| MATH Level 5 | — | 89.2% |
| FrontierMath (Feb 2025 set) | — | 1.7% |

## Knowledge

- Nemotron 3 Ultra: 52.5 (#61)
- o1-mini: 34.9 (#192)

| Benchmark | Nemotron 3 Ultra | o1-mini |
|---|---|---|
| GPQA Diamond | 85.4% | 62.4% |
| LMArena Expert | 1472 | 1316 |
| Confabulations | — | 18.6% |

## Multilingual

- Nemotron 3 Ultra: 53.5 (#64)
- o1-mini: 43.6 (#182)

| Benchmark | Nemotron 3 Ultra | o1-mini |
|---|---|---|
| LMArena Non-English | 1427 | 1289 |
| LMArena Chinese | 1497 | 1314 |
| LMArena French | 1472 | 1293 |
| LMArena German | 1471 | 1278 |
| LMArena Korean | 1386 | 1223 |
| LMArena Russian | 1417 | 1283 |
| LMArena Spanish | 1454 | 1303 |
| LMArena Japanese | — | 1245 |

## Instruction Following

- Nemotron 3 Ultra: 74.7 (#88)
- o1-mini: 66.7 (#206)

| Benchmark | Nemotron 3 Ultra | o1-mini |
|---|---|---|
| LMArena Instruction Following | 1418 | 1304 |
| LiveBench Instruction Following | — | 65.4% |

## Long Context

- Nemotron 3 Ultra: 43.9 (#81)
- o1-mini: 40.1 (#161)

| Benchmark | Nemotron 3 Ultra | o1-mini |
|---|---|---|
| LMArena Longer Query | 1437 | 1320 |

## Writing & Preference

- Nemotron 3 Ultra: 66.3 (#36)
- o1-mini: 48.4 (#202)

| Benchmark | Nemotron 3 Ultra | o1-mini |
|---|---|---|
| LMArena Text | 1445 | 1317 |
| LMArena Creative Writing | 1398 | 1244 |
| LMArena Multi-Turn | 1411 | 1314 |
| Short-Story Creative Writing | — | 64.9% |
| EQ-Bench Creative Writing | 1692 | — |
| LiveBench Language | — | 40.9% |

## FAQ

### Is Nemotron 3 Ultra better than o1-mini?

Nemotron 3 Ultra is the stronger model overall, scoring 42.5 to 34.0 on the Noometry Index.

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

Nemotron 3 Ultra scores higher on coding benchmarks: 38.1 versus 35.5 in the Noometry coding category.

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

20 benchmarks have published results for both models. Nemotron 3 Ultra has 30 scored results on Noometry and o1-mini has 39.