# Mercury vs Mistral Medium

> Mercury is the stronger model overall, scoring 37.3 to 36.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mercury-vs-mistral-medium
- Last updated: 2026-10-10
- Shared benchmarks: 9

## Summary

- They share 9 benchmarks with published results for both. Mercury scores higher in 1 category and Mistral Medium in 5 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Mistral Medium leads 60.2 to 46.2.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 21.6% for Mercury and 50% for Mistral Medium.
- Mistral Medium has downloadable open weights; the other is API-only.

## Snapshot

| | Mercury | Mistral Medium |
|---|---|---|
| Provider | Inception | Mistral AI |
| Noometry Index | 37.3 | 36.0 |
| Rank | 192 | 211 |
| Context | — | 262K |
| Input $/M | — | $1.50 |
| Output $/M | — | $7.50 |
| Weights | Proprietary | Open |

## Coding

- Mercury: 38.1 (#164)
- Mistral Medium: 33.8 (#241)

| Benchmark | Mercury | Mistral Medium |
|---|---|---|
| LMArena Coding | 1323 | 1434 |
| FrontierCode | — | 8% |
| SciCode | — | 40.2% |
| WeirdML | — | 43.7% |
| ALE-Bench | — | 763.98 |

## Agentic & Tool Use

- Mercury: —
- Mistral Medium: 28.1 (#84)

| Benchmark | Mercury | Mistral Medium |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 37.7% |

## Reasoning

- Mercury: 16.8 (#288)
- Mistral Medium: 23.3 (#165)

| Benchmark | Mercury | Mistral Medium |
|---|---|---|
| Kagi LLM Benchmark | 21.6% | 50% |
| LMArena Hard Prompts | 1284 | 1426 |
| CritPt | — | 0% |
| DTBench | — | 75.5% |
| LMCA | — | 26.1% |
| Surface Evolver Bench | — | 26.9% |

## Math

- Mercury: —
- Mistral Medium: 27.2 (#238)

| Benchmark | Mercury | Mistral Medium |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 32.2% |
| ProofBench | — | 9% |
| LMArena Math | — | 1409 |
| MATH Level 5 | — | 81.6% |
| FrontierMath (Feb 2025 set) | — | 0.3% |

## Knowledge

- Mercury: —
- Mistral Medium: 24.9 (#260)

| Benchmark | Mercury | Mistral Medium |
|---|---|---|
| GPQA Diamond | — | 59.5% |
| Humanity's Last Exam | — | 4.5% |
| Vectara Hallucination Rate | — | 22.7% |
| LMArena Expert | — | 1408 |

## Multimodal

- Mercury: —
- Mistral Medium: 34.6 (#82)

| Benchmark | Mercury | Mistral Medium |
|---|---|---|
| LMArena Vision | — | 1172 |

## Multilingual

- Mercury: 41.7 (#201)
- Mistral Medium: 52.3 (#86)

| Benchmark | Mercury | Mistral Medium |
|---|---|---|
| LMArena Non-English | 1259 | 1408 |
| LMArena Chinese | — | 1448 |
| LMArena French | — | 1460 |
| LMArena German | — | 1433 |
| LMArena Japanese | — | 1378 |
| LMArena Korean | — | 1382 |
| LMArena Russian | — | 1411 |
| LMArena Spanish | — | 1433 |

## Instruction Following

- Mercury: 65.3 (#220)
- Mistral Medium: 73.9 (#111)

| Benchmark | Mercury | Mistral Medium |
|---|---|---|
| LMArena Instruction Following | 1238 | 1398 |

## Long Context

- Mercury: 38.3 (#193)
- Mistral Medium: 42.9 (#108)

| Benchmark | Mercury | Mistral Medium |
|---|---|---|
| LMArena Longer Query | 1264 | 1406 |

## Writing & Preference

- Mercury: 46.2 (#216)
- Mistral Medium: 60.2 (#97)

| Benchmark | Mercury | Mistral Medium |
|---|---|---|
| LMArena Text | 1282 | 1424 |
| LMArena Creative Writing | 1186 | 1391 |
| LMArena Multi-Turn | 1283 | 1418 |
| Short-Story Creative Writing | — | 77.3% |

## FAQ

### Is Mercury better than Mistral Medium?

Mercury is the stronger model overall, scoring 37.3 to 36.0 on the Noometry Index.

### Is Mercury or Mistral Medium better for coding?

Mercury scores higher on coding benchmarks: 38.1 versus 33.8 in the Noometry coding category.

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

9 benchmarks have published results for both models. Mercury has 9 scored results on Noometry and Mistral Medium has 36.