# Mistral Medium 3.5 vs Phi 3 Small 8k Instruct

> Mistral Medium 3.5 is the stronger model overall, scoring 40.2 to 29.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mistral-medium-3-5-vs-phi-3-small-8k-instruct
- Last updated: 2026-10-12
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. Mistral Medium 3.5 scores higher in 8 categories and Phi 3 Small 8k Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Mistral Medium 3.5 leads 58.5 to 31.1.

## Snapshot

| | Mistral Medium 3.5 | Phi 3 Small 8k Instruct |
|---|---|---|
| Provider | Mistral AI | Microsoft |
| Noometry Index | 40.2 | 29.3 |
| Rank | 152 | 314 |
| Context | 262K | — |
| Input $/M | $1.50 | — |
| Output $/M | $7.50 | — |
| Weights | Open | Open |

## Coding

- Mistral Medium 3.5: 36.0 (#213)
- Phi 3 Small 8k Instruct: 27.9 (#318)

| Benchmark | Mistral Medium 3.5 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Coding | 1461 | 1101 |
| LMArena WebDev | 1264 | — |
| LiveBench Coding | — | 20.3% |

## Reasoning

- Mistral Medium 3.5: 17.3 (#295)
- Phi 3 Small 8k Instruct: 14.8 (#323)

| Benchmark | Mistral Medium 3.5 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1436 | 1100 |
| Kagi LLM Benchmark | 41.4% | — |
| NYT Connections (extended) | 12.9% | — |
| LiveBench Reasoning | — | 15.9% |
| LiveBench Data Analysis | — | 30.3% |
| Adversarial NLI | — | 58.1% |
| BIG-Bench Hard | — | 79.1% |
| Epoch Capabilities Index | 141.35 | — |
| HellaSwag | — | 77% |
| LiveBench | — | 24% |
| WinoGrande | — | 81.5% |

## Math

- Mistral Medium 3.5: 39.1 (#113)
- Phi 3 Small 8k Instruct: 27.6 (#248)

| Benchmark | Mistral Medium 3.5 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Math | 1431 | 1151 |
| LiveBench Math | — | 17.6% |

## Knowledge

- Mistral Medium 3.5: 40.0 (#126)
- Phi 3 Small 8k Instruct: 29.1 (#240)

| Benchmark | Mistral Medium 3.5 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Expert | 1432 | 1067 |
| ARC (AI2) Challenge | — | 90.7% |
| MMLU | — | 75.7% |
| OpenBookQA | — | 88% |
| TriviaQA | — | 58.1% |

## Multimodal

- Mistral Medium 3.5: 38.3 (#65)
- Phi 3 Small 8k Instruct: —

| Benchmark | Mistral Medium 3.5 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Vision | 1223 | — |

## Multilingual

- Mistral Medium 3.5: 51.9 (#100)
- Phi 3 Small 8k Instruct: 28.5 (#272)

| Benchmark | Mistral Medium 3.5 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Non-English | 1404 | 1058 |
| LMArena Chinese | 1442 | 1061 |
| LMArena French | 1448 | 1135 |
| LMArena German | 1451 | 1080 |
| LMArena Korean | 1385 | 894 |
| LMArena Russian | 1395 | 1111 |
| LMArena Spanish | 1409 | 1111 |
| LMArena Japanese | — | 966 |

## Instruction Following

- Mistral Medium 3.5: 74.6 (#90)
- Phi 3 Small 8k Instruct: 51.9 (#292)

| Benchmark | Mistral Medium 3.5 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Instruction Following | 1415 | 1087 |
| LiveBench Instruction Following | — | 47.2% |

## Long Context

- Mistral Medium 3.5: 43.2 (#103)
- Phi 3 Small 8k Instruct: 33.0 (#267)

| Benchmark | Mistral Medium 3.5 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Longer Query | 1415 | 1088 |

## Writing & Preference

- Mistral Medium 3.5: 58.5 (#117)
- Phi 3 Small 8k Instruct: 31.1 (#284)

| Benchmark | Mistral Medium 3.5 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Text | 1421 | 1110 |
| LMArena Creative Writing | 1374 | 1083 |
| LMArena Multi-Turn | 1423 | 1068 |
| EQ-Bench 4 | 993 | — |
| LiveBench Language | — | 12.9% |

## FAQ

### Is Mistral Medium 3.5 better than Phi 3 Small 8k Instruct?

Mistral Medium 3.5 is the stronger model overall, scoring 40.2 to 29.3 on the Noometry Index.

### Is Mistral Medium 3.5 or Phi 3 Small 8k Instruct better for coding?

Mistral Medium 3.5 scores higher on coding benchmarks: 36.0 versus 27.9 in the Noometry coding category.

### How many benchmarks do Mistral Medium 3.5 and Phi 3 Small 8k Instruct share?

16 benchmarks have published results for both models. Mistral Medium 3.5 has 22 scored results on Noometry and Phi 3 Small 8k Instruct has 32.