# Nemotron 3.5 Lightning vs o1-pro

> Nemotron 3.5 Lightning is the stronger model overall, scoring 39.3 to 31.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/nemotron-3-5-lightning-vs-o1-pro
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in knowledge, where Nemotron 3.5 Lightning leads 36.9 to 29.3.
- Nemotron 3.5 Lightning is cheaper at $0.06 / $0.16 per million input/output tokens, against $150 / $600 for o1-pro.
- Nemotron 3.5 Lightning accepts more context: 262K tokens versus 200K.
- Nemotron 3.5 Lightning has downloadable open weights; the other is API-only.

## Snapshot

| | Nemotron 3.5 Lightning | o1-pro |
|---|---|---|
| Provider | NVIDIA | OpenAI |
| Noometry Index | 39.3 | 31.2 |
| Rank | 156 | 264 |
| Context | 262K | 200K |
| Input $/M | $0.06 | $150 |
| Output $/M | $0.16 | $600 |
| Weights | Open | Proprietary |

## Coding

- Nemotron 3.5 Lightning: 39.6 (#143)
- o1-pro: —

| Benchmark | Nemotron 3.5 Lightning | o1-pro |
|---|---|---|
| LMArena Coding | 1370 | — |

## Reasoning

- Nemotron 3.5 Lightning: 25.7 (#128)
- o1-pro: 20.2 (#223)

| Benchmark | Nemotron 3.5 Lightning | o1-pro |
|---|---|---|
| ARC-AGI-1 | — | 23.3% |
| EnigmaEval | — | 6.1% |
| LMArena Hard Prompts | 1335 | — |

## Math

- Nemotron 3.5 Lightning: 34.7 (#156)
- o1-pro: —

| Benchmark | Nemotron 3.5 Lightning | o1-pro |
|---|---|---|
| LMArena Math | 1355 | — |

## Knowledge

- Nemotron 3.5 Lightning: 36.9 (#154)
- o1-pro: 29.3 (#227)

| Benchmark | Nemotron 3.5 Lightning | o1-pro |
|---|---|---|
| Humanity's Last Exam | — | 8.1% |
| LMArena Expert | 1354 | — |

## Multilingual

- Nemotron 3.5 Lightning: 44.0 (#175)
- o1-pro: —

| Benchmark | Nemotron 3.5 Lightning | o1-pro |
|---|---|---|
| LMArena Non-English | 1292 | — |
| LMArena Chinese | 1356 | — |
| LMArena French | 1369 | — |
| LMArena German | 1280 | — |
| LMArena Japanese | 1213 | — |
| LMArena Korean | 1233 | — |
| LMArena Russian | 1257 | — |
| LMArena Spanish | 1321 | — |

## Instruction Following

- Nemotron 3.5 Lightning: 69.8 (#166)
- o1-pro: —

| Benchmark | Nemotron 3.5 Lightning | o1-pro |
|---|---|---|
| LMArena Instruction Following | 1317 | — |

## Long Context

- Nemotron 3.5 Lightning: 39.9 (#160)
- o1-pro: —

| Benchmark | Nemotron 3.5 Lightning | o1-pro |
|---|---|---|
| LMArena Longer Query | 1312 | — |

## Writing & Preference

- Nemotron 3.5 Lightning: 48.5 (#198)
- o1-pro: —

| Benchmark | Nemotron 3.5 Lightning | o1-pro |
|---|---|---|
| LMArena Text | 1324 | — |
| LMArena Creative Writing | 1254 | — |
| EQ-Bench Creative Writing | 1280 | — |
| LMArena Multi-Turn | 1327 | — |

## FAQ

### Is Nemotron 3.5 Lightning better than o1-pro?

Nemotron 3.5 Lightning is the stronger model overall, scoring 39.3 to 31.2 on the Noometry Index.

### Which is cheaper, Nemotron 3.5 Lightning or o1-pro?

Nemotron 3.5 Lightning is cheaper. It lists at $0.06 per million input tokens and $0.16 per million output tokens; o1-pro lists at $150 and $600.

### Which has the bigger context window?

Nemotron 3.5 Lightning does, with 262K tokens against 200K.

### How many benchmarks do Nemotron 3.5 Lightning and o1-pro share?

0 benchmarks have published results for both models. Nemotron 3.5 Lightning has 18 scored results on Noometry and o1-pro has 3.