# Llama 3.1 Nemotron 51b Instruct vs Mistral Medium

> Llama 3.1 Nemotron 51b Instruct and Mistral Medium score almost the same on the Noometry Index (35.9 vs 36.3), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/llama-3-1-nemotron-51b-instruct-vs-mistral-medium
- Last updated: 2026-10-10
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. Llama 3.1 Nemotron 51b Instruct scores higher in 3 categories and Mistral Medium in 5 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Mistral Medium leads 60.0 to 43.4.

## Snapshot

| | Llama 3.1 Nemotron 51b Instruct | Mistral Medium |
|---|---|---|
| Provider | NVIDIA | Mistral AI |
| Noometry Index | 35.9 | 36.3 |
| Rank | 222 | 218 |
| Context | — | 262K |
| Input $/M | — | $1.50 |
| Output $/M | — | $7.50 |
| Weights | Open | Open |

## Coding

- Llama 3.1 Nemotron 51b Instruct: 35.6 (#222)
- Mistral Medium: 34.2 (#243)

| Benchmark | Llama 3.1 Nemotron 51b Instruct | Mistral Medium |
|---|---|---|
| LMArena Coding | 1223 | 1434 |
| FrontierCode | — | 8% |
| SciCode | — | 40.2% |
| WeirdML | — | 43.7% |
| ALE-Bench | — | 763.98 |

## Agentic & Tool Use

- Llama 3.1 Nemotron 51b Instruct: —
- Mistral Medium: 28.3 (#90)

| Benchmark | Llama 3.1 Nemotron 51b Instruct | Mistral Medium |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 37.7% |

## Reasoning

- Llama 3.1 Nemotron 51b Instruct: 23.5 (#177)
- Mistral Medium: 24.0 (#167)

| Benchmark | Llama 3.1 Nemotron 51b Instruct | Mistral Medium |
|---|---|---|
| LMArena Hard Prompts | 1203 | 1426 |
| Kagi LLM Benchmark | — | 50% |
| CritPt | — | 0% |
| DTBench | — | 75.5% |
| LMCA | — | 26.1% |
| Surface Evolver Bench | — | 26.9% |

## Math

- Llama 3.1 Nemotron 51b Instruct: 34.6 (#193)
- Mistral Medium: 28.1 (#245)

| Benchmark | Llama 3.1 Nemotron 51b Instruct | Mistral Medium |
|---|---|---|
| LMArena Math | 1230 | 1408 |
| OTIS Mock AIME 2024-2025 | — | 32.2% |
| ProofBench | — | 9% |
| MATH Level 5 | — | 81.6% |
| FrontierMath (Feb 2025 set) | — | 0.3% |

## Knowledge

- Llama 3.1 Nemotron 51b Instruct: 31.9 (#218)
- Mistral Medium: 25.0 (#265)

| Benchmark | Llama 3.1 Nemotron 51b Instruct | Mistral Medium |
|---|---|---|
| LMArena Expert | 1167 | 1408 |
| GPQA Diamond | — | 59.5% |
| Humanity's Last Exam | — | 4.5% |
| Vectara Hallucination Rate | — | 22.7% |

## Multimodal

- Llama 3.1 Nemotron 51b Instruct: —
- Mistral Medium: 35.3 (#88)

| Benchmark | Llama 3.1 Nemotron 51b Instruct | Mistral Medium |
|---|---|---|
| LMArena Vision | — | 1172 |

## Multilingual

- Llama 3.1 Nemotron 51b Instruct: 36.1 (#241)
- Mistral Medium: 52.1 (#91)

| Benchmark | Llama 3.1 Nemotron 51b Instruct | Mistral Medium |
|---|---|---|
| LMArena Non-English | 1181 | 1408 |
| LMArena Chinese | 1180 | 1447 |
| LMArena Russian | 1187 | 1411 |
| LMArena French | — | 1459 |
| LMArena German | — | 1432 |
| LMArena Japanese | — | 1378 |
| LMArena Korean | — | 1380 |
| LMArena Spanish | — | 1433 |

## Instruction Following

- Llama 3.1 Nemotron 51b Instruct: 62.9 (#233)
- Mistral Medium: 73.7 (#116)

| Benchmark | Llama 3.1 Nemotron 51b Instruct | Mistral Medium |
|---|---|---|
| LMArena Instruction Following | 1201 | 1398 |

## Long Context

- Llama 3.1 Nemotron 51b Instruct: 36.5 (#230)
- Mistral Medium: 42.9 (#114)

| Benchmark | Llama 3.1 Nemotron 51b Instruct | Mistral Medium |
|---|---|---|
| LMArena Longer Query | 1205 | 1406 |

## Writing & Preference

- Llama 3.1 Nemotron 51b Instruct: 43.4 (#229)
- Mistral Medium: 60.0 (#103)

| Benchmark | Llama 3.1 Nemotron 51b Instruct | Mistral Medium |
|---|---|---|
| LMArena Text | 1228 | 1424 |
| LMArena Creative Writing | 1213 | 1391 |
| LMArena Multi-Turn | 1227 | 1418 |
| Short-Story Creative Writing | — | 77.3% |

## FAQ

### Is Llama 3.1 Nemotron 51b Instruct better than Mistral Medium?

Llama 3.1 Nemotron 51b Instruct and Mistral Medium score almost the same on the Noometry Index (35.9 vs 36.3), so choose on price, context window or the category you care about most.

### Is Llama 3.1 Nemotron 51b Instruct or Mistral Medium better for coding?

Llama 3.1 Nemotron 51b Instruct scores higher on coding benchmarks: 35.6 versus 34.2 in the Noometry coding category.

### How many benchmarks do Llama 3.1 Nemotron 51b Instruct and Mistral Medium share?

12 benchmarks have published results for both models. Llama 3.1 Nemotron 51b Instruct has 12 scored results on Noometry and Mistral Medium has 36.