# Magistral Medium vs Mercury 2.5

> Magistral Medium has enough public results to be ranked (#224); Mercury 2.5 does not yet, so treat this comparison as directional.

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

## Summary

- The widest gap is in math, where Magistral Medium leads 32.4 to 22.4.
- Mercury 2.5 is cheaper at $0.04 / $0.15 per million input/output tokens, against $2 / $5 for Magistral Medium.
- Mercury 2.5 accepts more context: 260K tokens versus 128K.
- Magistral Medium has downloadable open weights; the other is API-only.

## Snapshot

| | Magistral Medium | Mercury 2.5 |
|---|---|---|
| Provider | Mistral AI | Inception |
| Noometry Index | 34.8 | 30.2 |
| Rank | 224 | — |
| Context | 128K | 260K |
| Input $/M | $2 | $0.04 |
| Output $/M | $5 | $0.15 |
| Weights | Open | Proprietary |

## Coding

- Magistral Medium: 38.6 (#161)
- Mercury 2.5: —

| Benchmark | Magistral Medium | Mercury 2.5 |
|---|---|---|
| SciCode | 39.2% | — |
| LMArena Coding | 1319 | — |
| ALE-Bench | — | 301.65 |

## Reasoning

- Magistral Medium: 8.7 (#342)
- Mercury 2.5: —

| Benchmark | Magistral Medium | Mercury 2.5 |
|---|---|---|
| ARC-AGI-2 | 0% | — |
| Kagi LLM Benchmark | 16.2% | — |
| ARC-AGI-1 | 6.1% | — |
| CritPt | 0.3% | — |
| LMArena Hard Prompts | 1267 | — |

## Math

- Magistral Medium: 32.4 (#187)
- Mercury 2.5: 22.4

| Benchmark | Magistral Medium | Mercury 2.5 |
|---|---|---|
| ProofBench | — | 3% |
| LMArena Math | 1249 | — |

## Knowledge

- Magistral Medium: 32.9 (#199)
- Mercury 2.5: —

| Benchmark | Magistral Medium | Mercury 2.5 |
|---|---|---|
| LMArena Expert | 1222 | — |

## Multilingual

- Magistral Medium: 39.8 (#219)
- Mercury 2.5: —

| Benchmark | Magistral Medium | Mercury 2.5 |
|---|---|---|
| LMArena Non-English | 1232 | — |
| LMArena Chinese | 1225 | — |
| LMArena French | 1268 | — |
| LMArena German | 1248 | — |
| LMArena Japanese | 1176 | — |
| LMArena Korean | 1125 | — |
| LMArena Russian | 1224 | — |
| LMArena Spanish | 1269 | — |

## Instruction Following

- Magistral Medium: 66.2 (#207)
- Mercury 2.5: —

| Benchmark | Magistral Medium | Mercury 2.5 |
|---|---|---|
| LMArena Instruction Following | 1254 | — |

## Long Context

- Magistral Medium: 39.3 (#178)
- Mercury 2.5: —

| Benchmark | Magistral Medium | Mercury 2.5 |
|---|---|---|
| LMArena Longer Query | 1295 | — |

## Writing & Preference

- Magistral Medium: 46.5 (#214)
- Mercury 2.5: —

| Benchmark | Magistral Medium | Mercury 2.5 |
|---|---|---|
| LMArena Text | 1255 | — |
| LMArena Creative Writing | 1245 | — |
| LMArena Multi-Turn | 1275 | — |

## FAQ

### Is Magistral Medium better than Mercury 2.5?

Magistral Medium has enough public results to be ranked (#224); Mercury 2.5 does not yet, so treat this comparison as directional.

### Which is cheaper, Magistral Medium or Mercury 2.5?

Mercury 2.5 is cheaper. It lists at $0.04 per million input tokens and $0.15 per million output tokens; Magistral Medium lists at $2 and $5.

### Which has the bigger context window?

Mercury 2.5 does, with 260K tokens against 128K.

### How many benchmarks do Magistral Medium and Mercury 2.5 share?

0 benchmarks have published results for both models. Magistral Medium has 22 scored results on Noometry and Mercury 2.5 has 2.