# Grok-2 (Dec 2024) vs Mistral Medium 3.5

> Mistral Medium 3.5 is the stronger model overall, scoring 40.2 to 33.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-2-vs-mistral-medium-3-5
- Last updated: 2026-10-11
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Grok-2 (Dec 2024) scores higher in 0 categories and Mistral Medium 3.5 in 8 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in math, where Mistral Medium 3.5 leads 39.1 to 20.8.
- Mistral Medium 3.5 has downloadable open weights; the other is API-only.

## Snapshot

| | Grok-2 (Dec 2024) | Mistral Medium 3.5 |
|---|---|---|
| Provider | xAI | Mistral AI |
| Noometry Index | 33.7 | 40.2 |
| Rank | 239 | 152 |
| Context | — | 262K |
| Input $/M | — | $1.50 |
| Output $/M | — | $7.50 |
| Weights | Proprietary | Open |

## Coding

- Grok-2 (Dec 2024): 33.3 (#258)
- Mistral Medium 3.5: 36.0 (#213)

| Benchmark | Grok-2 (Dec 2024) | Mistral Medium 3.5 |
|---|---|---|
| LMArena Coding | 1287 | 1461 |
| LMArena WebDev | — | 1264 |
| WeirdML | 22.2% | — |
| LiveBench Coding | 46.4% | — |

## Reasoning

- Grok-2 (Dec 2024): 16.9 (#299)
- Mistral Medium 3.5: 17.3 (#295)

| Benchmark | Grok-2 (Dec 2024) | Mistral Medium 3.5 |
|---|---|---|
| LMArena Hard Prompts | 1272 | 1436 |
| Epoch Capabilities Index | 130.48 | 141.35 |
| SimpleBench | 22.7% | — |
| Kagi LLM Benchmark | — | 41.4% |
| NYT Connections (extended) | — | 12.9% |
| LiveBench Reasoning | 54.8% | — |
| DTBench | 65.2% | — |
| LiveBench Data Analysis | 54.5% | — |
| LiveBench | 54.3% | — |

## Math

- Grok-2 (Dec 2024): 20.8 (#284)
- Mistral Medium 3.5: 39.1 (#113)

| Benchmark | Grok-2 (Dec 2024) | Mistral Medium 3.5 |
|---|---|---|
| LMArena Math | 1283 | 1431 |
| OTIS Mock AIME 2024-2025 | 11.5% | — |
| LiveBench Math | 54.9% | — |
| MATH Level 5 | 63.5% | — |
| FrontierMath (Feb 2025 set) | 0.7% | — |

## Knowledge

- Grok-2 (Dec 2024): 29.8 (#233)
- Mistral Medium 3.5: 40.0 (#126)

| Benchmark | Grok-2 (Dec 2024) | Mistral Medium 3.5 |
|---|---|---|
| LMArena Expert | 1254 | 1432 |
| GPQA Diamond | 53.8% | — |
| Confabulations | 20.1% | — |

## Multimodal

- Grok-2 (Dec 2024): —
- Mistral Medium 3.5: 38.3 (#65)

| Benchmark | Grok-2 (Dec 2024) | Mistral Medium 3.5 |
|---|---|---|
| LMArena Vision | — | 1223 |

## Multilingual

- Grok-2 (Dec 2024): 43.1 (#188)
- Mistral Medium 3.5: 51.9 (#100)

| Benchmark | Grok-2 (Dec 2024) | Mistral Medium 3.5 |
|---|---|---|
| LMArena Non-English | 1282 | 1404 |
| LMArena Chinese | 1289 | 1442 |
| LMArena French | 1318 | 1448 |
| LMArena German | 1287 | 1451 |
| LMArena Korean | 1237 | 1385 |
| LMArena Russian | 1286 | 1395 |
| LMArena Spanish | 1281 | 1409 |
| LMArena Japanese | 1244 | — |

## Instruction Following

- Grok-2 (Dec 2024): 66.9 (#202)
- Mistral Medium 3.5: 74.6 (#90)

| Benchmark | Grok-2 (Dec 2024) | Mistral Medium 3.5 |
|---|---|---|
| LMArena Instruction Following | 1270 | 1415 |
| LiveBench Instruction Following | 69.6% | — |

## Long Context

- Grok-2 (Dec 2024): 38.8 (#190)
- Mistral Medium 3.5: 43.2 (#103)

| Benchmark | Grok-2 (Dec 2024) | Mistral Medium 3.5 |
|---|---|---|
| LMArena Longer Query | 1276 | 1415 |

## Writing & Preference

- Grok-2 (Dec 2024): 48.6 (#198)
- Mistral Medium 3.5: 58.5 (#117)

| Benchmark | Grok-2 (Dec 2024) | Mistral Medium 3.5 |
|---|---|---|
| LMArena Text | 1305 | 1421 |
| LMArena Creative Writing | 1284 | 1374 |
| LMArena Multi-Turn | 1290 | 1423 |
| Short-Story Creative Writing | 63.6% | — |
| EQ-Bench 4 | — | 993 |
| LiveBench Language | 45.6% | — |

## FAQ

### Is Grok-2 (Dec 2024) better than Mistral Medium 3.5?

Mistral Medium 3.5 is the stronger model overall, scoring 40.2 to 33.7 on the Noometry Index.

### Is Grok-2 (Dec 2024) or Mistral Medium 3.5 better for coding?

Mistral Medium 3.5 scores higher on coding benchmarks: 36.0 versus 33.3 in the Noometry coding category.

### How many benchmarks do Grok-2 (Dec 2024) and Mistral Medium 3.5 share?

17 benchmarks have published results for both models. Grok-2 (Dec 2024) has 34 scored results on Noometry and Mistral Medium 3.5 has 22.