# o1-pro vs o3-pro

> o3-pro is the stronger model overall, scoring 42.7 to 31.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/o1-pro-vs-o3-pro
- Last updated: 2026-10-10
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. o1-pro scores higher in 1 category and o3-pro in 1 category; one gap is clear of the uncertainty.
- The widest gap is in reasoning, where o3-pro leads 24.1 to 20.2.
- The biggest single-benchmark swing is ARC-AGI-1: 23.3% for o1-pro and 59.3% for o3-pro.
- o3-pro is cheaper at $20 / $80 per million input/output tokens, against $150 / $600 for o1-pro.

## Snapshot

| | o1-pro | o3-pro |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Noometry Index | 31.2 | 42.7 |
| Rank | 264 | 94 |
| Context | 200K | 200K |
| Input $/M | $150 | $20 |
| Output $/M | $600 | $80 |
| Weights | Proprietary | Proprietary |

## Coding

- o1-pro: —
- o3-pro: 55.1 (#22)

| Benchmark | o1-pro | o3-pro |
|---|---|---|
| Aider Polyglot | — | 84.9% |
| WeirdML | — | 58.2% |

## Reasoning

- o1-pro: 20.2 (#223)
- o3-pro: 24.1 (#152)

| Benchmark | o1-pro | o3-pro |
|---|---|---|
| ARC-AGI-1 | 23.3% | 59.3% |
| ARC-AGI-2 | — | 4.9% |
| Kagi LLM Benchmark | — | 72.1% |
| EnigmaEval | 6.1% | — |
| DTBench | — | 86.9% |
| LMCA | — | 38.5% |
| Epoch Capabilities Index | — | 147.43 |

## Knowledge

- o1-pro: 29.3 (#227)
- o3-pro: 29.0 (#234)

| Benchmark | o1-pro | o3-pro |
|---|---|---|
| Humanity's Last Exam | 8.1% | — |
| Confabulations | — | 14.2% |
| Vectara Hallucination Rate | — | 23.3% |

## Long Context

- o1-pro: —
- o3-pro: 72.1 (#1)

| Benchmark | o1-pro | o3-pro |
|---|---|---|
| Fiction.LiveBench | — | 97.2% |

## Writing & Preference

- o1-pro: —
- o3-pro: 57.1 (#128)

| Benchmark | o1-pro | o3-pro |
|---|---|---|
| Short-Story Creative Writing | — | 84.4% |

## FAQ

### Is o1-pro better than o3-pro?

o3-pro is the stronger model overall, scoring 42.7 to 31.2 on the Noometry Index.

### Which is cheaper, o1-pro or o3-pro?

o3-pro is cheaper. It lists at $20 per million input tokens and $80 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-pro and o3-pro share?

1 benchmark has published results for both models. o1-pro has 3 scored results on Noometry and o3-pro has 12.