# Llama 3-8B vs Mistral Medium 3.5

> Mistral Medium 3.5 is the stronger model overall, scoring 40.2 to 25.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/llama-3-8b-vs-mistral-medium-3-5
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Llama 3-8B scores higher in 0 categories and Mistral Medium 3.5 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Mistral Medium 3.5 leads 40.0 to 7.8.

## Snapshot

| | Llama 3-8B | Mistral Medium 3.5 |
|---|---|---|
| Provider | Meta | Mistral AI |
| Noometry Index | 25.5 | 40.2 |
| Rank | 344 | 152 |
| Context | — | 262K |
| Input $/M | — | $1.50 |
| Output $/M | — | $7.50 |
| Weights | Open | Open |

## Coding

- Llama 3-8B: 31.0 (#289)
- Mistral Medium 3.5: 36.0 (#213)

| Benchmark | Llama 3-8B | Mistral Medium 3.5 |
|---|---|---|
| LMArena Coding | 1152 | 1461 |
| LMArena WebDev | — | 1264 |
| BigCodeBench Instruct | 31.9% | — |
| BigCodeBench Complete | 36.9% | — |
| HumanEval+ | 56.7% | — |
| MBPP+ | 54.8% | — |

## Reasoning

- Llama 3-8B: 14.3 (#326)
- Mistral Medium 3.5: 17.3 (#295)

| Benchmark | Llama 3-8B | Mistral Medium 3.5 |
|---|---|---|
| LMArena Hard Prompts | 1133 | 1436 |
| Epoch Capabilities Index | 116.45 | 141.35 |
| Kagi LLM Benchmark | — | 41.4% |
| NYT Connections (extended) | — | 12.9% |
| Chess Puzzles | 0% | — |
| DTBench | 43.9% | — |
| Adversarial NLI | 57.3% | — |
| ForecastBench | 58.6 | — |
| WinoGrande | 75.7% | — |

## Math

- Llama 3-8B: 8.8 (#323)
- Mistral Medium 3.5: 39.1 (#113)

| Benchmark | Llama 3-8B | Mistral Medium 3.5 |
|---|---|---|
| LMArena Math | 1151 | 1431 |
| OTIS Mock AIME 2024-2025 | 1.9% | — |
| MATH Level 5 | 6.1% | — |

## Knowledge

- Llama 3-8B: 7.8 (#308)
- Mistral Medium 3.5: 40.0 (#126)

| Benchmark | Llama 3-8B | Mistral Medium 3.5 |
|---|---|---|
| LMArena Expert | 1113 | 1432 |
| GPQA Diamond | 26.1% | — |
| ARC (AI2) Challenge | 82.8% | — |
| MMLU | 68.8% | — |
| OpenBookQA | 82.6% | — |
| TriviaQA | 67.7% | — |

## Multimodal

- Llama 3-8B: —
- Mistral Medium 3.5: 38.3 (#65)

| Benchmark | Llama 3-8B | Mistral Medium 3.5 |
|---|---|---|
| LMArena Vision | — | 1223 |

## Multilingual

- Llama 3-8B: 30.8 (#261)
- Mistral Medium 3.5: 51.9 (#100)

| Benchmark | Llama 3-8B | Mistral Medium 3.5 |
|---|---|---|
| LMArena Non-English | 1098 | 1404 |
| LMArena Chinese | 1076 | 1442 |
| LMArena French | 1159 | 1448 |
| LMArena German | 1104 | 1451 |
| LMArena Korean | 1004 | 1385 |
| LMArena Russian | 1109 | 1395 |
| LMArena Spanish | 1173 | 1409 |
| LMArena Japanese | 967 | — |

## Instruction Following

- Llama 3-8B: 58.4 (#260)
- Mistral Medium 3.5: 74.6 (#90)

| Benchmark | Llama 3-8B | Mistral Medium 3.5 |
|---|---|---|
| LMArena Instruction Following | 1127 | 1415 |

## Long Context

- Llama 3-8B: 34.2 (#251)
- Mistral Medium 3.5: 43.2 (#103)

| Benchmark | Llama 3-8B | Mistral Medium 3.5 |
|---|---|---|
| LMArena Longer Query | 1128 | 1415 |

## Writing & Preference

- Llama 3-8B: 37.5 (#256)
- Mistral Medium 3.5: 58.5 (#117)

| Benchmark | Llama 3-8B | Mistral Medium 3.5 |
|---|---|---|
| LMArena Text | 1166 | 1421 |
| LMArena Creative Writing | 1150 | 1374 |
| LMArena Multi-Turn | 1152 | 1423 |
| EQ-Bench 4 | — | 993 |

## FAQ

### Is Llama 3-8B better than Mistral Medium 3.5?

Mistral Medium 3.5 is the stronger model overall, scoring 40.2 to 25.5 on the Noometry Index.

### Is Llama 3-8B or Mistral Medium 3.5 better for coding?

Mistral Medium 3.5 scores higher on coding benchmarks: 36.0 versus 31.0 in the Noometry coding category.

### How many benchmarks do Llama 3-8B and Mistral Medium 3.5 share?

17 benchmarks have published results for both models. Llama 3-8B has 34 scored results on Noometry and Mistral Medium 3.5 has 22.