# Grok-3 mini vs Mistral Large 3

> Grok-3 mini is the stronger model overall, scoring 41.2 to 39.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-3-mini-vs-mistral-large-3
- Last updated: 2026-10-12
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. Grok-3 mini scores higher in 4 categories and Mistral Large 3 in 4 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Grok-3 mini leads 46.4 to 36.0.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 61.3% for Grok-3 mini and 50.9% for Mistral Large 3.
- Mistral Large 3 has downloadable open weights; the other is API-only.

## Snapshot

| | Grok-3 mini | Mistral Large 3 |
|---|---|---|
| Provider | xAI | Mistral AI |
| Noometry Index | 41.2 | 39.1 |
| Rank | 141 | 176 |
| Context | — | 262K |
| Input $/M | — | $0.25 |
| Output $/M | — | $0.75 |
| Weights | Proprietary | Open |

## Coding

- Grok-3 mini: 40.8 (#131)
- Mistral Large 3: 34.4 (#237)

| Benchmark | Grok-3 mini | Mistral Large 3 |
|---|---|---|
| LMArena Coding | 1379 | 1448 |
| Aider Polyglot | 49.3% | — |
| LMArena WebDev | — | 1230 |
| WeirdML | 42.6% | — |

## Reasoning

- Grok-3 mini: 13.6 (#334)
- Mistral Large 3: 15.2 (#319)

| Benchmark | Grok-3 mini | Mistral Large 3 |
|---|---|---|
| Kagi LLM Benchmark | 61.3% | 50.9% |
| LMArena Hard Prompts | 1375 | 1429 |
| ARC-AGI-2 | 0.4% | — |
| NYT Connections (extended) | — | 7.5% |
| ARC-AGI-1 | 16.5% | — |
| Thematic Generalization | — | 23% |
| Epoch Capabilities Index | 140.35 | — |

## Math

- Grok-3 mini: 42.1 (#85)
- Mistral Large 3: 38.7 (#129)

| Benchmark | Grok-3 mini | Mistral Large 3 |
|---|---|---|
| LMArena Math | 1386 | 1414 |
| OTIS Mock AIME 2024-2025 | 77.8% | — |
| Omni-MATH | 31.8% | — |
| MATH Level 5 | 90.9% | — |
| FrontierMath (Feb 2025 set) | 5.9% | — |

## Knowledge

- Grok-3 mini: 46.4 (#81)
- Mistral Large 3: 36.0 (#177)

| Benchmark | Grok-3 mini | Mistral Large 3 |
|---|---|---|
| LMArena Expert | 1395 | 1421 |
| GPQA Diamond | 76.3% | — |
| MMLU-Pro | 79.9% | — |
| Confabulations | 10.8% | — |
| Vectara Hallucination Rate | — | 14.5% |
| GPQA (HELM) | 67.5% | — |

## Multimodal

- Grok-3 mini: —
- Mistral Large 3: 38.2 (#66)

| Benchmark | Grok-3 mini | Mistral Large 3 |
|---|---|---|
| LMArena Vision | — | 1221 |

## Multilingual

- Grok-3 mini: 48.1 (#145)
- Mistral Large 3: 52.5 (#84)

| Benchmark | Grok-3 mini | Mistral Large 3 |
|---|---|---|
| LMArena Non-English | 1352 | 1413 |
| LMArena Chinese | 1387 | 1447 |
| LMArena French | 1357 | 1455 |
| LMArena German | 1349 | 1437 |
| LMArena Japanese | 1342 | 1394 |
| LMArena Korean | 1335 | 1384 |
| LMArena Russian | 1353 | 1411 |
| LMArena Spanish | 1381 | 1440 |

## Instruction Following

- Grok-3 mini: 78.5 (#9)
- Mistral Large 3: 74.0 (#108)

| Benchmark | Grok-3 mini | Mistral Large 3 |
|---|---|---|
| LMArena Instruction Following | 1357 | 1403 |
| IFEval | 95.1% | — |

## Long Context

- Grok-3 mini: 41.0 (#147)
- Mistral Large 3: 43.1 (#105)

| Benchmark | Grok-3 mini | Mistral Large 3 |
|---|---|---|
| LMArena Longer Query | 1372 | 1413 |
| Fiction.LiveBench | 66.7% | — |

## Writing & Preference

- Grok-3 mini: 52.5 (#169)
- Mistral Large 3: 60.0 (#101)

| Benchmark | Grok-3 mini | Mistral Large 3 |
|---|---|---|
| LMArena Text | 1370 | 1428 |
| LMArena Creative Writing | 1342 | 1386 |
| LMArena Multi-Turn | 1355 | 1429 |
| Short-Story Creative Writing | 73.5% | — |
| EQ-Bench Creative Writing | — | 1412 |
| WildBench | 65.1% | — |

## FAQ

### Is Grok-3 mini better than Mistral Large 3?

Grok-3 mini is the stronger model overall, scoring 41.2 to 39.1 on the Noometry Index.

### Is Grok-3 mini or Mistral Large 3 better for coding?

Grok-3 mini scores higher on coding benchmarks: 40.8 versus 34.4 in the Noometry coding category.

### How many benchmarks do Grok-3 mini and Mistral Large 3 share?

18 benchmarks have published results for both models. Grok-3 mini has 35 scored results on Noometry and Mistral Large 3 has 24.