# Mercury 2.5 vs Mistral Medium 3.1

> Mistral Medium 3.1 has enough public results to be ranked (#260); Mercury 2.5 does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/mercury-2-5-vs-mistral-medium-3-1
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- Mercury 2.5 is cheaper at $0.04 / $0.15 per million input/output tokens, against $0.40 / $2 for Mistral Medium 3.1.
- Mercury 2.5 accepts more context: 260K tokens versus 131K.

## Snapshot

| | Mercury 2.5 | Mistral Medium 3.1 |
|---|---|---|
| Provider | Inception | Mistral AI |
| Noometry Index | 30.2 | 31.5 |
| Rank | — | 260 |
| Context | 260K | 131K |
| Input $/M | $0.04 | $0.40 |
| Output $/M | $0.15 | $2 |
| Weights | Proprietary | Proprietary |

## Coding

- Mercury 2.5: —
- Mistral Medium 3.1: —

| Benchmark | Mercury 2.5 | Mistral Medium 3.1 |
|---|---|---|
| ALE-Bench | 301.65 | — |

## Reasoning

- Mercury 2.5: —
- Mistral Medium 3.1: 10.1 (#336)

| Benchmark | Mercury 2.5 | Mistral Medium 3.1 |
|---|---|---|
| NYT Connections (extended) | — | 6.5% |
| Thematic Generalization | — | 20.3% |

## Math

- Mercury 2.5: 22.4
- Mistral Medium 3.1: —

| Benchmark | Mercury 2.5 | Mistral Medium 3.1 |
|---|---|---|
| ProofBench | 3% | — |

## Writing & Preference

- Mercury 2.5: —
- Mistral Medium 3.1: 55.6 (#140)

| Benchmark | Mercury 2.5 | Mistral Medium 3.1 |
|---|---|---|
| EQ-Bench Creative Writing | — | 1476 |

## FAQ

### Is Mercury 2.5 better than Mistral Medium 3.1?

Mistral Medium 3.1 has enough public results to be ranked (#260); Mercury 2.5 does not yet, so treat this comparison as directional.

### Which is cheaper, Mercury 2.5 or Mistral Medium 3.1?

Mercury 2.5 is cheaper. It lists at $0.04 per million input tokens and $0.15 per million output tokens; Mistral Medium 3.1 lists at $0.40 and $2.

### Which has the bigger context window?

Mercury 2.5 does, with 260K tokens against 131K.

### How many benchmarks do Mercury 2.5 and Mistral Medium 3.1 share?

0 benchmarks have published results for both models. Mercury 2.5 has 2 scored results on Noometry and Mistral Medium 3.1 has 3.