# Mixtral 8x7B vs Phi 3 Mini 4k Instruct

> Mixtral 8x7B and Phi 3 Mini 4k Instruct score almost the same on the Noometry Index (26.8 vs 27.4), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/mixtral-8x7b-vs-phi-3-mini-4k-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 26

## Summary

- They share 26 benchmarks with published results for both. Mixtral 8x7B scores higher in 6 categories and Phi 3 Mini 4k Instruct in 2 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Phi 3 Mini 4k Instruct leads 27.9 to 11.0.

## Snapshot

| | Mixtral 8x7B | Phi 3 Mini 4k Instruct |
|---|---|---|
| Provider | Mistral AI | Microsoft |
| Noometry Index | 26.8 | 27.4 |
| Rank | 328 | 324 |
| Context | 32K | — |
| Input $/M | $0.70 | — |
| Output $/M | $0.70 | — |
| Weights | Open | Open |

## Coding

- Mixtral 8x7B: 32.2 (#265)
- Phi 3 Mini 4k Instruct: 26.1 (#319)

| Benchmark | Mixtral 8x7B | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Coding | 1127 | 1093 |
| HumanEval+ | 39.6% | 59.1% |
| MBPP+ | 49.7% | 54.2% |
| LiveBench Coding | — | 15.5% |

## Reasoning

- Mixtral 8x7B: 17.4 (#283)
- Phi 3 Mini 4k Instruct: 13.6 (#326)

| Benchmark | Mixtral 8x7B | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1115 | 1072 |
| Adversarial NLI | 55.2% | 52.8% |
| HellaSwag | 86.7% | 76.7% |
| WinoGrande | 77.2% | 70.8% |
| Chess Puzzles | — | 0% |
| LiveBench Reasoning | — | 26.8% |
| DTBench | 49.6% | — |
| LiveBench Data Analysis | — | 34.7% |
| BIG-Bench Hard | — | 71.7% |
| Epoch Capabilities Index | 118.38 | — |
| ForecastBench | 56.3 | — |
| LiveBench | — | 22.4% |
| PIQA | 83.6% | — |

## Math

- Mixtral 8x7B: 17.2 (#284)
- Phi 3 Mini 4k Instruct: 24.5 (#258)

| Benchmark | Mixtral 8x7B | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Math | 1147 | 1111 |
| Omni-MATH | 10.5% | — |
| LiveBench Math | — | 15.7% |
| MATH Level 5 | 10% | — |
| GSM8K | 74.4% | — |

## Knowledge

- Mixtral 8x7B: 11.0 (#296)
- Phi 3 Mini 4k Instruct: 27.9 (#241)

| Benchmark | Mixtral 8x7B | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Expert | 1088 | 1045 |
| ARC (AI2) Challenge | 87.3% | 84.9% |
| MMLU | 70.6% | 68.8% |
| OpenBookQA | 85.8% | 88% |
| TriviaQA | 82.2% | 64% |
| GPQA Diamond | 30.6% | — |
| MMLU-Pro | 33.5% | — |
| GPQA (HELM) | 29.6% | — |

## Multilingual

- Mixtral 8x7B: 29.8 (#261)
- Phi 3 Mini 4k Instruct: 26.5 (#275)

| Benchmark | Mixtral 8x7B | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Non-English | 1077 | 1021 |
| LMArena Chinese | 1055 | 1021 |
| LMArena French | 1165 | 1075 |
| LMArena German | 1114 | 1044 |
| LMArena Japanese | 931 | 935 |
| LMArena Korean | 968 | 905 |
| LMArena Russian | 1090 | 1022 |
| LMArena Spanish | 1110 | 1084 |

## Instruction Following

- Mixtral 8x7B: 51.2 (#292)
- Phi 3 Mini 4k Instruct: 48.0 (#298)

| Benchmark | Mixtral 8x7B | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Instruction Following | 1110 | 1053 |
| LiveBench Instruction Following | — | 39.1% |
| IFEval | 57.5% | — |

## Long Context

- Mixtral 8x7B: 33.4 (#255)
- Phi 3 Mini 4k Instruct: 31.7 (#271)

| Benchmark | Mixtral 8x7B | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Longer Query | 1103 | 1044 |

## Writing & Preference

- Mixtral 8x7B: 34.4 (#265)
- Phi 3 Mini 4k Instruct: 27.7 (#295)

| Benchmark | Mixtral 8x7B | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Text | 1132 | 1073 |
| LMArena Creative Writing | 1109 | 1037 |
| LMArena Multi-Turn | 1115 | 1018 |
| WildBench | 67.3% | — |
| LiveBench Language | — | 9.2% |

## FAQ

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

Mixtral 8x7B and Phi 3 Mini 4k Instruct score almost the same on the Noometry Index (26.8 vs 27.4), so choose on price, context window or the category you care about most.

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

Mixtral 8x7B scores higher on coding benchmarks: 32.2 versus 26.1 in the Noometry coding category.

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

26 benchmarks have published results for both models. Mixtral 8x7B has 38 scored results on Noometry and Phi 3 Mini 4k Instruct has 35.