# o1 vs o1-pro

> o1 is the stronger model overall, scoring 40.9 to 31.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/o1-vs-o1-pro
- Last updated: 2026-10-11
- Shared benchmarks: 3

## Summary

- They share 3 benchmarks with published results for both. o1 scores higher in 2 categories and o1-pro in 0 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where o1 leads 41.5 to 29.7.
- The biggest single-benchmark swing is ARC-AGI-1: 30.7% for o1 and 23.3% for o1-pro.
- o1 is cheaper at $15 / $60 per million input/output tokens, against $150 / $600 for o1-pro.

## Snapshot

| | o1 | o1-pro |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Noometry Index | 40.9 | 31.5 |
| Rank | 143 | 271 |
| Context | 200K | 200K |
| Input $/M | $15 | $150 |
| Output $/M | $60 | $600 |
| Weights | Proprietary | Proprietary |

## Coding

- o1: 46.1 (#70)
- o1-pro: —

| Benchmark | o1 | o1-pro |
|---|---|---|
| Aider Polyglot | 61.7% | — |
| WeirdML | 47.6% | — |
| LiveBench Coding | 69.7% | — |
| LMArena Coding | 1367 | — |
| CadEval | 56% | — |
| HumanEval+ | 89% | — |
| MBPP+ | 80.2% | — |

## Agentic & Tool Use

- o1: 24.6 (#117)
- o1-pro: —

| Benchmark | o1 | o1-pro |
|---|---|---|
| Cybench | 10% | — |
| METR Time Horizons | 51.1% | — |

## Reasoning

- o1: 27.9 (#111)
- o1-pro: 20.4 (#239)

| Benchmark | o1 | o1-pro |
|---|---|---|
| ARC-AGI-1 | 30.7% | 23.3% |
| EnigmaEval | 5.7% | 6.1% |
| SimpleBench | 41.7% | — |
| Chess Puzzles | 15% | — |
| LiveBench Reasoning | 91.6% | — |
| LMArena Hard Prompts | 1371 | — |
| DTBench | 74.7% | — |
| LiveBench Data Analysis | 65.5% | — |
| LMCA | 22.3% | — |
| Epoch Capabilities Index | 141.91 | — |
| LiveBench | 75.7% | — |

## Math

- o1: 36.1 (#175)
- o1-pro: —

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

## Knowledge

- o1: 41.5 (#110)
- o1-pro: 29.7 (#234)

| Benchmark | o1 | o1-pro |
|---|---|---|
| Humanity's Last Exam | 8% | 8.1% |
| GPQA Diamond | 76.8% | — |
| SimpleQA Verified | 41.1% | — |
| Confabulations | 11.7% | — |
| LMArena Expert | 1361 | — |

## Multimodal

- o1: 34.2 (#93)
- o1-pro: —

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

## Multilingual

- o1: 48.6 (#142)
- o1-pro: —

| Benchmark | o1 | o1-pro |
|---|---|---|
| LMArena Non-English | 1358 | — |
| LMArena Chinese | 1394 | — |
| LMArena French | 1344 | — |
| LMArena German | 1337 | — |
| LMArena Japanese | 1346 | — |
| LMArena Korean | 1396 | — |
| LMArena Russian | 1356 | — |
| LMArena Spanish | 1345 | — |

## Instruction Following

- o1: 74.8 (#86)
- o1-pro: —

| Benchmark | o1 | o1-pro |
|---|---|---|
| LiveBench Instruction Following | 81.5% | — |
| LMArena Instruction Following | 1367 | — |

## Long Context

- o1: 50.3 (#9)
- o1-pro: —

| Benchmark | o1 | o1-pro |
|---|---|---|
| Fiction.LiveBench | 83.3% | — |
| LMArena Longer Query | 1378 | — |

## Writing & Preference

- o1: 55.6 (#144)
- o1-pro: —

| Benchmark | o1 | o1-pro |
|---|---|---|
| LMArena Text | 1366 | — |
| LMArena Creative Writing | 1348 | — |
| Short-Story Creative Writing | 70.2% | — |
| LMArena Multi-Turn | 1369 | — |
| LiveBench Language | 65.4% | — |

## FAQ

### Is o1 better than o1-pro?

o1 is the stronger model overall, scoring 40.9 to 31.5 on the Noometry Index.

### Which is cheaper, o1 or o1-pro?

o1 is cheaper. It lists at $15 per million input tokens and $60 per million output tokens; o1-pro lists at $150 and $600.

### Which has the bigger context window?

Both accept 200K tokens.

### How many benchmarks do o1 and o1-pro share?

3 benchmarks have published results for both models. o1 has 52 scored results on Noometry and o1-pro has 3.