# Grok 3 vs Mistral Large 3

> Grok 3 and Mistral Large 3 score almost the same on the Noometry Index (39.9 vs 39.1), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/grok-3-vs-mistral-large-3
- Last updated: 2026-10-11
- Shared benchmarks: 20

## Summary

- They share 20 benchmarks with published results for both. Grok 3 scores higher in 3 categories and Mistral Large 3 in 5 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Grok 3 leads 46.2 to 36.0.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 61.3% for Grok 3 and 50.9% for Mistral Large 3.
- Mistral Large 3 has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 3 | Mistral Large 3 |
|---|---|---|
| Provider | xAI | Mistral AI |
| Noometry Index | 39.9 | 39.1 |
| Rank | 157 | 176 |
| Context | — | 262K |
| Input $/M | — | $0.25 |
| Output $/M | — | $0.75 |
| Weights | Proprietary | Open |

## Coding

- Grok 3: 41.9 (#115)
- Mistral Large 3: 34.4 (#237)

| Benchmark | Grok 3 | Mistral Large 3 |
|---|---|---|
| LMArena Coding | 1432 | 1448 |
| Aider Polyglot | 53.3% | — |
| LMArena WebDev | — | 1230 |
| WeirdML | 37.2% | — |

## Agentic & Tool Use

- Grok 3: 30.5 (#76)
- Mistral Large 3: —

| Benchmark | Grok 3 | Mistral Large 3 |
|---|---|---|
| BALROG | 29.5% | — |

## Reasoning

- Grok 3: 13.7 (#333)
- Mistral Large 3: 15.2 (#319)

| Benchmark | Grok 3 | Mistral Large 3 |
|---|---|---|
| Kagi LLM Benchmark | 61.3% | 50.9% |
| LMArena Hard Prompts | 1434 | 1429 |
| ARC-AGI-2 | 0% | — |
| SimpleBench | 36.1% | — |
| NYT Connections (extended) | — | 7.5% |
| ARC-AGI-1 | 5.5% | — |
| Thematic Generalization | — | 23% |
| Epoch Capabilities Index | 138.33 | — |

## Math

- Grok 3: 38.0 (#145)
- Mistral Large 3: 38.7 (#129)

| Benchmark | Grok 3 | Mistral Large 3 |
|---|---|---|
| LMArena Math | 1391 | 1414 |
| OTIS Mock AIME 2024-2025 | 55.6% | — |
| Omni-MATH | 46.4% | — |
| MATH Level 5 | 88.7% | — |
| FrontierMath (Feb 2025 set) | 3.8% | — |
| FrontierMath Tier 4 (v1) | 0% | — |

## Knowledge

- Grok 3: 46.2 (#82)
- Mistral Large 3: 36.0 (#177)

| Benchmark | Grok 3 | Mistral Large 3 |
|---|---|---|
| Vectara Hallucination Rate | 5.8% | 14.5% |
| LMArena Expert | 1421 | 1421 |
| GPQA Diamond | 75.8% | — |
| MMLU-Pro | 78.8% | — |
| Confabulations | 14.2% | — |
| GPQA (HELM) | 65% | — |

## Multimodal

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

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

## Multilingual

- Grok 3: 52.3 (#87)
- Mistral Large 3: 52.5 (#84)

| Benchmark | Grok 3 | Mistral Large 3 |
|---|---|---|
| LMArena Non-English | 1410 | 1413 |
| LMArena Chinese | 1448 | 1447 |
| LMArena French | 1460 | 1455 |
| LMArena German | 1431 | 1437 |
| LMArena Japanese | 1387 | 1394 |
| LMArena Korean | 1373 | 1384 |
| LMArena Russian | 1416 | 1411 |
| LMArena Spanish | 1417 | 1440 |

## Instruction Following

- Grok 3: 75.0 (#73)
- Mistral Large 3: 74.0 (#108)

| Benchmark | Grok 3 | Mistral Large 3 |
|---|---|---|
| LMArena Instruction Following | 1409 | 1403 |
| IFEval | 88.4% | — |

## Long Context

- Grok 3: 38.7 (#192)
- Mistral Large 3: 43.1 (#105)

| Benchmark | Grok 3 | Mistral Large 3 |
|---|---|---|
| LMArena Longer Query | 1439 | 1413 |
| Fiction.LiveBench | 58.3% | — |

## Writing & Preference

- Grok 3: 55.8 (#141)
- Mistral Large 3: 60.0 (#101)

| Benchmark | Grok 3 | Mistral Large 3 |
|---|---|---|
| LMArena Text | 1426 | 1428 |
| LMArena Creative Writing | 1414 | 1386 |
| EQ-Bench Creative Writing | 1186 | 1412 |
| LMArena Multi-Turn | 1425 | 1429 |
| Short-Story Creative Writing | 76.4% | — |
| WildBench | 84.9% | — |

## FAQ

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

Grok 3 and Mistral Large 3 score almost the same on the Noometry Index (39.9 vs 39.1), so choose on price, context window or the category you care about most.

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

Grok 3 scores higher on coding benchmarks: 41.9 versus 34.4 in the Noometry coding category.

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

20 benchmarks have published results for both models. Grok 3 has 40 scored results on Noometry and Mistral Large 3 has 24.