# Llama 2-13B vs Mistral Small 3.1

> Mistral Small 3.1 is the stronger model overall, scoring 31.4 to 29.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/llama-2-13b-vs-mistral-small-3-1
- Last updated: 2026-10-10
- Shared benchmarks: 19

## Summary

- They share 19 benchmarks with published results for both. Llama 2-13B scores higher in 2 categories and Mistral Small 3.1 in 6 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Llama 2-13B leads 28.7 to 13.7.

## Snapshot

| | Llama 2-13B | Mistral Small 3.1 |
|---|---|---|
| Provider | Meta | Mistral AI |
| Noometry Index | 29.1 | 31.4 |
| Rank | 304 | 263 |
| Context | — | 128K |
| Input $/M | — | $0.35 |
| Output $/M | — | $0.56 |
| Weights | Open | Open |

## Coding

- Llama 2-13B: 30.4 (#287)
- Mistral Small 3.1: 37.7 (#175)

| Benchmark | Llama 2-13B | Mistral Small 3.1 |
|---|---|---|
| LMArena Coding | 1062 | 1309 |

## Reasoning

- Llama 2-13B: 12.3 (#333)
- Mistral Small 3.1: 18.9 (#249)

| Benchmark | Llama 2-13B | Mistral Small 3.1 |
|---|---|---|
| Chess Puzzles | 0% | 1% |
| LMArena Hard Prompts | 1051 | 1278 |
| Epoch Capabilities Index | 105.8 | 127.48 |
| DTBench | 42.2% | — |
| BIG-Bench Hard | 58.2% | — |
| HellaSwag | 80.7% | — |
| LAMBADA | 76.5% | — |
| PIQA | 80.8% | — |
| WinoGrande | 72.8% | — |

## Math

- Llama 2-13B: 28.7 (#226)
- Mistral Small 3.1: 13.7 (#295)

| Benchmark | Llama 2-13B | Mistral Small 3.1 |
|---|---|---|
| LMArena Math | 1065 | 1261 |
| OTIS Mock AIME 2024-2025 | — | 3.9% |
| Omni-MATH | — | 24.8% |
| GSM8K | 36.9% | — |

## Knowledge

- Llama 2-13B: 27.5 (#244)
- Mistral Small 3.1: 22.6 (#266)

| Benchmark | Llama 2-13B | Mistral Small 3.1 |
|---|---|---|
| LMArena Expert | 1030 | 1258 |
| GPQA Diamond | — | 41.9% |
| MMLU-Pro | — | 61% |
| GPQA (HELM) | — | 39.2% |
| ARC (AI2) Challenge | 60.3% | — |
| BoolQ | 82.4% | — |
| MMLU | 55.6% | — |
| OpenBookQA | 57% | — |
| TriviaQA | 79.6% | — |

## Multimodal

- Llama 2-13B: —
- Mistral Small 3.1: 32.6 (#93)

| Benchmark | Llama 2-13B | Mistral Small 3.1 |
|---|---|---|
| LMArena Vision | — | 1136 |
| ScienceQA | 55.8% | — |

## Multilingual

- Llama 2-13B: 26.7 (#274)
- Mistral Small 3.1: 41.4 (#204)

| Benchmark | Llama 2-13B | Mistral Small 3.1 |
|---|---|---|
| LMArena Non-English | 1024 | 1255 |
| LMArena Chinese | 1001 | 1254 |
| LMArena French | 1043 | 1270 |
| LMArena German | 1009 | 1266 |
| LMArena Japanese | 894 | 1210 |
| LMArena Korean | 953 | 1206 |
| LMArena Russian | 1055 | 1263 |
| LMArena Spanish | 1086 | 1283 |

## Instruction Following

- Llama 2-13B: 53.5 (#282)
- Mistral Small 3.1: 63.8 (#225)

| Benchmark | Llama 2-13B | Mistral Small 3.1 |
|---|---|---|
| LMArena Instruction Following | 1046 | 1264 |
| IFEval | — | 75% |

## Long Context

- Llama 2-13B: 32.3 (#264)
- Mistral Small 3.1: 39.5 (#172)

| Benchmark | Llama 2-13B | Mistral Small 3.1 |
|---|---|---|
| LMArena Longer Query | 1064 | 1300 |

## Writing & Preference

- Llama 2-13B: 30.0 (#284)
- Mistral Small 3.1: 37.2 (#254)

| Benchmark | Llama 2-13B | Mistral Small 3.1 |
|---|---|---|
| LMArena Text | 1085 | 1278 |
| LMArena Creative Writing | 1047 | 1253 |
| LMArena Multi-Turn | 1050 | 1270 |
| EQ-Bench Creative Writing | — | 761 |
| WildBench | — | 78.8% |

## FAQ

### Is Llama 2-13B better than Mistral Small 3.1?

Mistral Small 3.1 is the stronger model overall, scoring 31.4 to 29.1 on the Noometry Index.

### Is Llama 2-13B or Mistral Small 3.1 better for coding?

Mistral Small 3.1 scores higher on coding benchmarks: 37.7 versus 30.4 in the Noometry coding category.

### How many benchmarks do Llama 2-13B and Mistral Small 3.1 share?

19 benchmarks have published results for both models. Llama 2-13B has 32 scored results on Noometry and Mistral Small 3.1 has 28.