# Mixtral 8x7B vs Phi 3 Medium 4k Instruct

> Phi 3 Medium 4k Instruct is the stronger model overall, scoring 32.4 to 26.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mixtral-8x7b-vs-phi-3-medium-4k-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Mixtral 8x7B scores higher in 1 category and Phi 3 Medium 4k Instruct in 7 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Phi 3 Medium 4k Instruct leads 29.6 to 11.0.

## Snapshot

| | Mixtral 8x7B | Phi 3 Medium 4k Instruct |
|---|---|---|
| Provider | Mistral AI | Microsoft |
| Noometry Index | 26.8 | 32.4 |
| Rank | 328 | 246 |
| Context | 32K | — |
| Input $/M | $0.70 | — |
| Output $/M | $0.70 | — |
| Weights | Open | Open |

## Coding

- Mixtral 8x7B: 32.2 (#265)
- Phi 3 Medium 4k Instruct: 32.3 (#263)

| Benchmark | Mixtral 8x7B | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Coding | 1127 | 1130 |
| HumanEval+ | 39.6% | — |
| MBPP+ | 49.7% | — |

## Reasoning

- Mixtral 8x7B: 17.4 (#283)
- Phi 3 Medium 4k Instruct: 20.8 (#214)

| Benchmark | Mixtral 8x7B | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1115 | 1127 |
| DTBench | 49.6% | — |
| Adversarial NLI | 55.2% | — |
| Epoch Capabilities Index | 118.38 | — |
| ForecastBench | 56.3 | — |
| HellaSwag | 86.7% | — |
| PIQA | 83.6% | — |
| WinoGrande | 77.2% | — |

## Math

- Mixtral 8x7B: 17.2 (#284)
- Phi 3 Medium 4k Instruct: 30.9 (#202)

| Benchmark | Mixtral 8x7B | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Math | 1147 | 1173 |
| Omni-MATH | 10.5% | — |
| MATH Level 5 | 10% | — |
| GSM8K | 74.4% | — |

## Knowledge

- Mixtral 8x7B: 11.0 (#296)
- Phi 3 Medium 4k Instruct: 29.6 (#226)

| Benchmark | Mixtral 8x7B | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Expert | 1088 | 1108 |
| GPQA Diamond | 30.6% | — |
| MMLU-Pro | 33.5% | — |
| GPQA (HELM) | 29.6% | — |
| ARC (AI2) Challenge | 87.3% | — |
| MMLU | 70.6% | — |
| OpenBookQA | 85.8% | — |
| TriviaQA | 82.2% | — |

## Multilingual

- Mixtral 8x7B: 29.8 (#261)
- Phi 3 Medium 4k Instruct: 30.8 (#258)

| Benchmark | Mixtral 8x7B | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Non-English | 1077 | 1094 |
| LMArena Chinese | 1055 | 1108 |
| LMArena French | 1165 | 1109 |
| LMArena German | 1114 | 1101 |
| LMArena Japanese | 931 | 1042 |
| LMArena Korean | 968 | 954 |
| LMArena Russian | 1090 | 1145 |
| LMArena Spanish | 1110 | 1095 |

## Instruction Following

- Mixtral 8x7B: 51.2 (#292)
- Phi 3 Medium 4k Instruct: 57.8 (#263)

| Benchmark | Mixtral 8x7B | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Instruction Following | 1110 | 1114 |
| IFEval | 57.5% | — |

## Long Context

- Mixtral 8x7B: 33.4 (#255)
- Phi 3 Medium 4k Instruct: 33.9 (#250)

| Benchmark | Mixtral 8x7B | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Longer Query | 1103 | 1120 |

## Writing & Preference

- Mixtral 8x7B: 34.4 (#265)
- Phi 3 Medium 4k Instruct: 34.3 (#267)

| Benchmark | Mixtral 8x7B | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Text | 1132 | 1138 |
| LMArena Creative Writing | 1109 | 1106 |
| LMArena Multi-Turn | 1115 | 1088 |
| WildBench | 67.3% | — |

## FAQ

### Is Mixtral 8x7B better than Phi 3 Medium 4k Instruct?

Phi 3 Medium 4k Instruct is the stronger model overall, scoring 32.4 to 26.8 on the Noometry Index.

### Is Mixtral 8x7B or Phi 3 Medium 4k Instruct better for coding?

They score almost the same on coding (32.2 vs 32.3); test both on your own repository before choosing.

### How many benchmarks do Mixtral 8x7B and Phi 3 Medium 4k Instruct share?

17 benchmarks have published results for both models. Mixtral 8x7B has 38 scored results on Noometry and Phi 3 Medium 4k Instruct has 17.