# Mistral Small 3 vs phi-3-medium 14B

> Mistral Small 3 is the stronger model overall, scoring 31.2 to 29.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mistral-small-3-vs-phi-3-medium-14b
- Last updated: 2026-10-11
- Shared benchmarks: 4

## Summary

- They share 4 benchmarks with published results for both. Mistral Small 3 scores higher in 1 category and phi-3-medium 14B in 2 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Mistral Small 3 leads 25.1 to 9.1.
- The biggest single-benchmark swing is GPQA Diamond: 47.3% for Mistral Small 3 and 27.6% for phi-3-medium 14B.

## Snapshot

| | Mistral Small 3 | phi-3-medium 14B |
|---|---|---|
| Provider | Mistral AI | Microsoft |
| Noometry Index | 31.2 | 29.7 |
| Rank | 278 | 306 |
| Context | 33K | — |
| Input $/M | $0.05 | — |
| Output $/M | $0.08 | — |
| Weights | Open | Open |

## Coding

- Mistral Small 3: 36.5 (#207)
- phi-3-medium 14B: 36.8 (#201)

| Benchmark | Mistral Small 3 | phi-3-medium 14B |
|---|---|---|
| BigCodeBench Instruct | 45.3% | 37.6% |
| BigCodeBench Complete | 50.4% | 48.7% |
| LMArena Coding | 1246 | — |

## Reasoning

- Mistral Small 3: 18.9 (#273)
- phi-3-medium 14B: —

| Benchmark | Mistral Small 3 | phi-3-medium 14B |
|---|---|---|
| Epoch Capabilities Index | 127.07 | 121.23 |
| Chess Puzzles | 0% | — |
| LMArena Hard Prompts | 1233 | — |
| Adversarial NLI | — | 55.8% |
| BIG-Bench Hard | — | 81.4% |
| HellaSwag | — | 82.4% |
| WinoGrande | — | 81.5% |

## Math

- Mistral Small 3: 16.3 (#295)
- phi-3-medium 14B: 27.3 (#250)

| Benchmark | Mistral Small 3 | phi-3-medium 14B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 6.7% | — |
| LMArena Math | 1240 | — |
| MATH Level 5 | — | 17.6% |

## Knowledge

- Mistral Small 3: 25.1 (#263)
- phi-3-medium 14B: 9.1 (#306)

| Benchmark | Mistral Small 3 | phi-3-medium 14B |
|---|---|---|
| GPQA Diamond | 47.3% | 27.6% |
| Confabulations | 25.2% | — |
| LMArena Expert | 1202 | — |
| ARC (AI2) Challenge | — | 91.6% |
| MMLU | — | 78% |
| OpenBookQA | — | 87.4% |
| TriviaQA | — | 73.9% |

## Multilingual

- Mistral Small 3: 37.3 (#236)
- phi-3-medium 14B: —

| Benchmark | Mistral Small 3 | phi-3-medium 14B |
|---|---|---|
| LMArena Non-English | 1198 | — |
| LMArena Chinese | 1204 | — |
| LMArena French | 1203 | — |
| LMArena German | 1211 | — |
| LMArena Japanese | 1111 | — |
| LMArena Korean | 1188 | — |
| LMArena Russian | 1216 | — |

## Instruction Following

- Mistral Small 3: 63.7 (#229)
- phi-3-medium 14B: —

| Benchmark | Mistral Small 3 | phi-3-medium 14B |
|---|---|---|
| LMArena Instruction Following | 1214 | — |

## Long Context

- Mistral Small 3: 37.8 (#211)
- phi-3-medium 14B: —

| Benchmark | Mistral Small 3 | phi-3-medium 14B |
|---|---|---|
| LMArena Longer Query | 1246 | — |

## Writing & Preference

- Mistral Small 3: 32.2 (#280)
- phi-3-medium 14B: —

| Benchmark | Mistral Small 3 | phi-3-medium 14B |
|---|---|---|
| LMArena Text | 1234 | — |
| LMArena Creative Writing | 1195 | — |
| EQ-Bench Creative Writing | 707 | — |
| LMArena Multi-Turn | 1217 | — |

## FAQ

### Is Mistral Small 3 better than phi-3-medium 14B?

Mistral Small 3 is the stronger model overall, scoring 31.2 to 29.7 on the Noometry Index.

### Is Mistral Small 3 or phi-3-medium 14B better for coding?

They score almost the same on coding (36.5 vs 36.8); test both on your own repository before choosing.

### How many benchmarks do Mistral Small 3 and phi-3-medium 14B share?

4 benchmarks have published results for both models. Mistral Small 3 has 24 scored results on Noometry and phi-3-medium 14B has 13.