# Mistral 7B vs Phi 3 Small 8k Instruct

> Phi 3 Small 8k Instruct is the stronger model overall, scoring 29.3 to 23.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mistral-7b-vs-phi-3-small-8k-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 24

## Summary

- They share 24 benchmarks with published results for both. Mistral 7B scores higher in 1 category and Phi 3 Small 8k Instruct in 7 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Phi 3 Small 8k Instruct leads 29.1 to 7.4.

## Snapshot

| | Mistral 7B | Phi 3 Small 8k Instruct |
|---|---|---|
| Provider | Mistral AI | Microsoft |
| Noometry Index | 23.0 | 29.3 |
| Rank | 351 | 314 |
| Context | 8K | — |
| Input $/M | $0.25 | — |
| Output $/M | $0.25 | — |
| Weights | Open | Open |

## Coding

- Mistral 7B: 26.4 (#326)
- Phi 3 Small 8k Instruct: 27.9 (#318)

| Benchmark | Mistral 7B | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Coding | 1082 | 1101 |
| BigCodeBench Instruct | 19.5% | — |
| LiveBench Coding | — | 20.3% |
| BigCodeBench Complete | 27.3% | — |
| HumanEval+ | 36% | — |
| MBPP+ | 42.1% | — |

## Reasoning

- Mistral 7B: 13.1 (#336)
- Phi 3 Small 8k Instruct: 14.8 (#323)

| Benchmark | Mistral 7B | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1067 | 1100 |
| Adversarial NLI | 47.1% | 58.1% |
| BIG-Bench Hard | 56.1% | 79.1% |
| HellaSwag | 81% | 77% |
| WinoGrande | 75.3% | 81.5% |
| Chess Puzzles | 0% | — |
| LiveBench Reasoning | — | 15.9% |
| DTBench | 42.5% | — |
| LiveBench Data Analysis | — | 30.3% |
| Epoch Capabilities Index | 112.21 | — |
| LiveBench | — | 24% |
| PIQA | 83% | — |

## Math

- Mistral 7B: 8.1 (#325)
- Phi 3 Small 8k Instruct: 27.6 (#248)

| Benchmark | Mistral 7B | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Math | 1085 | 1151 |
| OTIS Mock AIME 2024-2025 | 0.3% | — |
| LiveBench Math | — | 17.6% |
| MATH Level 5 | 3.7% | — |
| GSM8K | 54.4% | — |

## Knowledge

- Mistral 7B: 7.4 (#311)
- Phi 3 Small 8k Instruct: 29.1 (#240)

| Benchmark | Mistral 7B | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Expert | 1036 | 1067 |
| ARC (AI2) Challenge | 78.6% | 90.7% |
| MMLU | 62.5% | 75.7% |
| OpenBookQA | 79.8% | 88% |
| TriviaQA | 75.2% | 58.1% |
| GPQA Diamond | 15.2% | — |
| BoolQ | 87.4% | — |

## Multilingual

- Mistral 7B: 25.8 (#283)
- Phi 3 Small 8k Instruct: 28.5 (#272)

| Benchmark | Mistral 7B | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Non-English | 1012 | 1058 |
| LMArena Chinese | 1009 | 1061 |
| LMArena French | 1037 | 1135 |
| LMArena German | 987 | 1080 |
| LMArena Japanese | 878 | 966 |
| LMArena Russian | 1018 | 1111 |
| LMArena Spanish | 1026 | 1111 |
| LMArena Korean | — | 894 |

## Instruction Following

- Mistral 7B: 54.2 (#280)
- Phi 3 Small 8k Instruct: 51.9 (#292)

| Benchmark | Mistral 7B | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Instruction Following | 1060 | 1087 |
| LiveBench Instruction Following | — | 47.2% |

## Long Context

- Mistral 7B: 32.2 (#271)
- Phi 3 Small 8k Instruct: 33.0 (#267)

| Benchmark | Mistral 7B | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Longer Query | 1060 | 1088 |

## Writing & Preference

- Mistral 7B: 30.7 (#286)
- Phi 3 Small 8k Instruct: 31.1 (#284)

| Benchmark | Mistral 7B | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Text | 1090 | 1110 |
| LMArena Creative Writing | 1068 | 1083 |
| LMArena Multi-Turn | 1062 | 1068 |
| LiveBench Language | — | 12.9% |

## FAQ

### Is Mistral 7B better than Phi 3 Small 8k Instruct?

Phi 3 Small 8k Instruct is the stronger model overall, scoring 29.3 to 23.0 on the Noometry Index.

### Is Mistral 7B or Phi 3 Small 8k Instruct better for coding?

Phi 3 Small 8k Instruct scores higher on coding benchmarks: 27.9 versus 26.4 in the Noometry coding category.

### How many benchmarks do Mistral 7B and Phi 3 Small 8k Instruct share?

24 benchmarks have published results for both models. Mistral 7B has 37 scored results on Noometry and Phi 3 Small 8k Instruct has 32.