# Mistral Medium 3.1 vs Phi 3 Mini 128k Instruct

> Mistral Medium 3.1 is the stronger model overall, scoring 31.9 to 29.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mistral-medium-3-1-vs-phi-3-mini-128k-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in writing & preference, where Mistral Medium 3.1 leads 55.5 to 27.1.
- Phi 3 Mini 128k Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Mistral Medium 3.1 | Phi 3 Mini 128k Instruct |
|---|---|---|
| Provider | Mistral AI | Microsoft |
| Noometry Index | 31.9 | 29.7 |
| Rank | 266 | 305 |
| Context | 131K | — |
| Input $/M | $0.40 | — |
| Output $/M | $2 | — |
| Weights | Proprietary | Open |

## Coding

- Mistral Medium 3.1: —
- Phi 3 Mini 128k Instruct: 28.8 (#312)

| Benchmark | Mistral Medium 3.1 | Phi 3 Mini 128k Instruct |
|---|---|---|
| BigCodeBench Instruct | — | 29.6% |
| LMArena Coding | — | 1039 |
| BigCodeBench Complete | — | 40.6% |

## Reasoning

- Mistral Medium 3.1: 10.6 (#341)
- Phi 3 Mini 128k Instruct: 19.6 (#256)

| Benchmark | Mistral Medium 3.1 | Phi 3 Mini 128k Instruct |
|---|---|---|
| NYT Connections (extended) | 6.5% | — |
| Thematic Generalization | 20.3% | — |
| LMArena Hard Prompts | — | 1028 |

## Math

- Mistral Medium 3.1: —
- Phi 3 Mini 128k Instruct: 31.6 (#222)

| Benchmark | Mistral Medium 3.1 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Math | — | 1089 |

## Knowledge

- Mistral Medium 3.1: —
- Phi 3 Mini 128k Instruct: 26.8 (#254)

| Benchmark | Mistral Medium 3.1 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Expert | — | 984 |

## Multilingual

- Mistral Medium 3.1: —
- Phi 3 Mini 128k Instruct: 25.2 (#285)

| Benchmark | Mistral Medium 3.1 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Non-English | — | 1000 |
| LMArena Chinese | — | 1016 |
| LMArena French | — | 1039 |
| LMArena German | — | 1006 |
| LMArena Japanese | — | 899 |
| LMArena Korean | — | 856 |
| LMArena Russian | — | 1004 |
| LMArena Spanish | — | 1059 |

## Instruction Following

- Mistral Medium 3.1: —
- Phi 3 Mini 128k Instruct: 51.8 (#294)

| Benchmark | Mistral Medium 3.1 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Instruction Following | — | 1023 |

## Long Context

- Mistral Medium 3.1: —
- Phi 3 Mini 128k Instruct: 30.4 (#289)

| Benchmark | Mistral Medium 3.1 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Longer Query | — | 996 |

## Writing & Preference

- Mistral Medium 3.1: 55.5 (#145)
- Phi 3 Mini 128k Instruct: 27.1 (#301)

| Benchmark | Mistral Medium 3.1 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Text | — | 1050 |
| LMArena Creative Writing | — | 1024 |
| EQ-Bench Creative Writing | 1476 | — |
| LMArena Multi-Turn | — | 989 |

## FAQ

### Is Mistral Medium 3.1 better than Phi 3 Mini 128k Instruct?

Mistral Medium 3.1 is the stronger model overall, scoring 31.9 to 29.7 on the Noometry Index.

### How many benchmarks do Mistral Medium 3.1 and Phi 3 Mini 128k Instruct share?

0 benchmarks have published results for both models. Mistral Medium 3.1 has 3 scored results on Noometry and Phi 3 Mini 128k Instruct has 19.