# Llama 13b vs Mistral Small 3.1

> Mistral Small 3.1 is the stronger model overall, scoring 31.4 to 23.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/llama-13b-vs-mistral-small-3-1
- Last updated: 2026-10-10
- Shared benchmarks: 9

## Summary

- They share 9 benchmarks with published results for both. Llama 13b scores higher in 1 category and Mistral Small 3.1 in 5 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in instruction following, where Mistral Small 3.1 leads 63.8 to 36.9.

## Snapshot

| | Llama 13b | Mistral Small 3.1 |
|---|---|---|
| Provider | Meta | Mistral AI |
| Noometry Index | 23.9 | 31.4 |
| Rank | 344 | 263 |
| Context | — | 128K |
| Input $/M | — | $0.35 |
| Output $/M | — | $0.56 |
| Weights | Open | Open |

## Coding

- Llama 13b: 20.9 (#332)
- Mistral Small 3.1: 37.7 (#175)

| Benchmark | Llama 13b | Mistral Small 3.1 |
|---|---|---|
| LMArena Coding | 683 | 1309 |

## Reasoning

- Llama 13b: 13.4 (#327)
- Mistral Small 3.1: 18.9 (#249)

| Benchmark | Llama 13b | Mistral Small 3.1 |
|---|---|---|
| LMArena Hard Prompts | 728 | 1278 |
| Epoch Capabilities Index | 100.09 | 127.48 |
| Chess Puzzles | — | 1% |
| BIG-Bench Hard | 37.9% | — |
| HellaSwag | 79.2% | — |
| LAMBADA | 75.2% | — |
| PIQA | 80.1% | — |
| WinoGrande | 73% | — |

## Math

- Llama 13b: 24.4 (#259)
- Mistral Small 3.1: 13.7 (#295)

| Benchmark | Llama 13b | Mistral Small 3.1 |
|---|---|---|
| LMArena Math | 838 | 1261 |
| OTIS Mock AIME 2024-2025 | — | 3.9% |
| Omni-MATH | — | 24.8% |
| GSM8K | 20.6% | — |

## Knowledge

- Llama 13b: —
- Mistral Small 3.1: 22.6 (#266)

| Benchmark | Llama 13b | Mistral Small 3.1 |
|---|---|---|
| GPQA Diamond | — | 41.9% |
| MMLU-Pro | — | 61% |
| GPQA (HELM) | — | 39.2% |
| LMArena Expert | — | 1258 |
| ARC (AI2) Challenge | 52.7% | — |
| BoolQ | 78.7% | — |
| MMLU | 47.7% | — |
| OpenBookQA | 56.4% | — |
| TriviaQA | 77.9% | — |

## Multimodal

- Llama 13b: —
- Mistral Small 3.1: 32.6 (#93)

| Benchmark | Llama 13b | Mistral Small 3.1 |
|---|---|---|
| LMArena Vision | — | 1136 |
| ScienceQA | 43.3% | — |

## Multilingual

- Llama 13b: 16.8 (#292)
- Mistral Small 3.1: 41.4 (#204)

| Benchmark | Llama 13b | Mistral Small 3.1 |
|---|---|---|
| LMArena Non-English | 819 | 1255 |
| LMArena Chinese | — | 1254 |
| LMArena French | — | 1270 |
| LMArena German | — | 1266 |
| LMArena Japanese | — | 1210 |
| LMArena Korean | — | 1206 |
| LMArena Russian | — | 1263 |
| LMArena Spanish | — | 1283 |

## Instruction Following

- Llama 13b: 36.9 (#300)
- Mistral Small 3.1: 63.8 (#225)

| Benchmark | Llama 13b | Mistral Small 3.1 |
|---|---|---|
| LMArena Instruction Following | 781 | 1264 |
| IFEval | — | 75% |

## Long Context

- Llama 13b: —
- Mistral Small 3.1: 39.5 (#172)

| Benchmark | Llama 13b | Mistral Small 3.1 |
|---|---|---|
| LMArena Longer Query | — | 1300 |

## Writing & Preference

- Llama 13b: 13.9 (#307)
- Mistral Small 3.1: 37.2 (#254)

| Benchmark | Llama 13b | Mistral Small 3.1 |
|---|---|---|
| LMArena Text | 834 | 1278 |
| LMArena Creative Writing | 794 | 1253 |
| LMArena Multi-Turn | 753 | 1270 |
| EQ-Bench Creative Writing | — | 761 |
| WildBench | — | 78.8% |

## FAQ

### Is Llama 13b better than Mistral Small 3.1?

Mistral Small 3.1 is the stronger model overall, scoring 31.4 to 23.9 on the Noometry Index.

### Is Llama 13b or Mistral Small 3.1 better for coding?

Mistral Small 3.1 scores higher on coding benchmarks: 37.7 versus 20.9 in the Noometry coding category.

### How many benchmarks do Llama 13b and Mistral Small 3.1 share?

9 benchmarks have published results for both models. Llama 13b has 21 scored results on Noometry and Mistral Small 3.1 has 28.