# Mistral Medium 3.1 vs Phi 3 Small 8k Instruct

> Mistral Medium 3.1 is the stronger model overall, scoring 31.5 to 28.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mistral-medium-3-1-vs-phi-3-small-8k-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in writing & preference, where Mistral Medium 3.1 leads 55.6 to 31.3.
- Phi 3 Small 8k Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Mistral Medium 3.1 | Phi 3 Small 8k Instruct |
|---|---|---|
| Provider | Mistral AI | Microsoft |
| Noometry Index | 31.5 | 28.8 |
| Rank | 260 | 310 |
| Context | 131K | — |
| Input $/M | $0.40 | — |
| Output $/M | $2 | — |
| Weights | Proprietary | Open |

## Coding

- Mistral Medium 3.1: —
- Phi 3 Small 8k Instruct: 27.4 (#313)

| Benchmark | Mistral Medium 3.1 | Phi 3 Small 8k Instruct |
|---|---|---|
| LiveBench Coding | — | 20.3% |
| LMArena Coding | — | 1102 |

## Reasoning

- Mistral Medium 3.1: 10.1 (#336)
- Phi 3 Small 8k Instruct: 14.2 (#319)

| Benchmark | Mistral Medium 3.1 | Phi 3 Small 8k Instruct |
|---|---|---|
| NYT Connections (extended) | 6.5% | — |
| Thematic Generalization | 20.3% | — |
| LiveBench Reasoning | — | 15.9% |
| LMArena Hard Prompts | — | 1100 |
| LiveBench Data Analysis | — | 30.3% |
| Adversarial NLI | — | 58.1% |
| BIG-Bench Hard | — | 79.1% |
| HellaSwag | — | 77% |
| LiveBench | — | 24% |
| WinoGrande | — | 81.5% |

## Math

- Mistral Medium 3.1: —
- Phi 3 Small 8k Instruct: 25.4 (#247)

| Benchmark | Mistral Medium 3.1 | Phi 3 Small 8k Instruct |
|---|---|---|
| LiveBench Math | — | 17.6% |
| LMArena Math | — | 1151 |

## Knowledge

- Mistral Medium 3.1: —
- Phi 3 Small 8k Instruct: 28.5 (#237)

| Benchmark | Mistral Medium 3.1 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Expert | — | 1067 |
| ARC (AI2) Challenge | — | 90.7% |
| MMLU | — | 75.7% |
| OpenBookQA | — | 88% |
| TriviaQA | — | 58.1% |

## Multilingual

- Mistral Medium 3.1: —
- Phi 3 Small 8k Instruct: 28.6 (#267)

| Benchmark | Mistral Medium 3.1 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Non-English | — | 1058 |
| LMArena Chinese | — | 1061 |
| LMArena French | — | 1134 |
| LMArena German | — | 1080 |
| LMArena Japanese | — | 966 |
| LMArena Korean | — | 894 |
| LMArena Russian | — | 1111 |
| LMArena Spanish | — | 1111 |

## Instruction Following

- Mistral Medium 3.1: —
- Phi 3 Small 8k Instruct: 52.2 (#287)

| Benchmark | Mistral Medium 3.1 | Phi 3 Small 8k Instruct |
|---|---|---|
| LiveBench Instruction Following | — | 47.2% |
| LMArena Instruction Following | — | 1087 |

## Long Context

- Mistral Medium 3.1: —
- Phi 3 Small 8k Instruct: 33.0 (#262)

| Benchmark | Mistral Medium 3.1 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Longer Query | — | 1088 |

## Writing & Preference

- Mistral Medium 3.1: 55.6 (#140)
- Phi 3 Small 8k Instruct: 31.3 (#279)

| Benchmark | Mistral Medium 3.1 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Text | — | 1110 |
| LMArena Creative Writing | — | 1083 |
| EQ-Bench Creative Writing | 1476 | — |
| LMArena Multi-Turn | — | 1068 |
| LiveBench Language | — | 12.9% |

## FAQ

### Is Mistral Medium 3.1 better than Phi 3 Small 8k Instruct?

Mistral Medium 3.1 is the stronger model overall, scoring 31.5 to 28.8 on the Noometry Index.

### How many benchmarks do Mistral Medium 3.1 and Phi 3 Small 8k Instruct share?

0 benchmarks have published results for both models. Mistral Medium 3.1 has 3 scored results on Noometry and Phi 3 Small 8k Instruct has 32.