# Mistral Medium 3.1 vs o1-pro

> Mistral Medium 3.1 and o1-pro score almost the same on the Noometry Index (31.9 vs 31.5), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/mistral-medium-3-1-vs-o1-pro
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where o1-pro leads 20.4 to 10.6.
- Mistral Medium 3.1 is cheaper at $0.40 / $2 per million input/output tokens, against $150 / $600 for o1-pro.
- o1-pro accepts more context: 200K tokens versus 131K.

## Snapshot

| | Mistral Medium 3.1 | o1-pro |
|---|---|---|
| Provider | Mistral AI | OpenAI |
| Noometry Index | 31.9 | 31.5 |
| Rank | 266 | 271 |
| Context | 131K | 200K |
| Input $/M | $0.40 | $150 |
| Output $/M | $2 | $600 |
| Weights | Proprietary | Proprietary |

## Reasoning

- Mistral Medium 3.1: 10.6 (#341)
- o1-pro: 20.4 (#239)

| Benchmark | Mistral Medium 3.1 | o1-pro |
|---|---|---|
| NYT Connections (extended) | 6.5% | — |
| ARC-AGI-1 | — | 23.3% |
| EnigmaEval | — | 6.1% |
| Thematic Generalization | 20.3% | — |

## Knowledge

- Mistral Medium 3.1: —
- o1-pro: 29.7 (#234)

| Benchmark | Mistral Medium 3.1 | o1-pro |
|---|---|---|
| Humanity's Last Exam | — | 8.1% |

## Writing & Preference

- Mistral Medium 3.1: 55.5 (#145)
- o1-pro: —

| Benchmark | Mistral Medium 3.1 | o1-pro |
|---|---|---|
| EQ-Bench Creative Writing | 1476 | — |

## FAQ

### Is Mistral Medium 3.1 better than o1-pro?

Mistral Medium 3.1 and o1-pro score almost the same on the Noometry Index (31.9 vs 31.5), so choose on price, context window or the category you care about most.

### Which is cheaper, Mistral Medium 3.1 or o1-pro?

Mistral Medium 3.1 is cheaper. It lists at $0.40 per million input tokens and $2 per million output tokens; o1-pro lists at $150 and $600.

### Which has the bigger context window?

o1-pro does, with 200K tokens against 131K.

### How many benchmarks do Mistral Medium 3.1 and o1-pro share?

0 benchmarks have published results for both models. Mistral Medium 3.1 has 3 scored results on Noometry and o1-pro has 3.