# Grok-2 (Dec 2024) vs Mistral Small 3.1

> Grok-2 (Dec 2024) is the stronger model overall, scoring 33.7 to 31.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-2-vs-mistral-small-3-1
- Last updated: 2026-10-10
- Shared benchmarks: 20

## Summary

- They share 20 benchmarks with published results for both. Grok-2 (Dec 2024) scores higher in 5 categories and Mistral Small 3.1 in 3 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Grok-2 (Dec 2024) leads 48.6 to 37.0.
- The biggest single-benchmark swing is GPQA Diamond: 53.8% for Grok-2 (Dec 2024) and 41.9% for Mistral Small 3.1.
- Mistral Small 3.1 has downloadable open weights; the other is API-only.

## Snapshot

| | Grok-2 (Dec 2024) | Mistral Small 3.1 |
|---|---|---|
| Provider | xAI | Mistral AI |
| Noometry Index | 33.7 | 31.7 |
| Rank | 239 | 269 |
| Context | — | 128K |
| Input $/M | — | $0.35 |
| Output $/M | — | $0.56 |
| Weights | Proprietary | Open |

## Coding

- Grok-2 (Dec 2024): 33.3 (#258)
- Mistral Small 3.1: 38.3 (#179)

| Benchmark | Grok-2 (Dec 2024) | Mistral Small 3.1 |
|---|---|---|
| LMArena Coding | 1287 | 1309 |
| WeirdML | 22.2% | — |
| LiveBench Coding | 46.4% | — |

## Reasoning

- Grok-2 (Dec 2024): 16.9 (#299)
- Mistral Small 3.1: 19.7 (#254)

| Benchmark | Grok-2 (Dec 2024) | Mistral Small 3.1 |
|---|---|---|
| LMArena Hard Prompts | 1272 | 1278 |
| Epoch Capabilities Index | 130.48 | 127.48 |
| SimpleBench | 22.7% | — |
| Chess Puzzles | — | 1% |
| LiveBench Reasoning | 54.8% | — |
| DTBench | 65.2% | — |
| LiveBench Data Analysis | 54.5% | — |
| LiveBench | 54.3% | — |

## Math

- Grok-2 (Dec 2024): 20.8 (#284)
- Mistral Small 3.1: 14.7 (#301)

| Benchmark | Grok-2 (Dec 2024) | Mistral Small 3.1 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 11.5% | 3.9% |
| LMArena Math | 1283 | 1262 |
| Omni-MATH | — | 24.8% |
| LiveBench Math | 54.9% | — |
| MATH Level 5 | 63.5% | — |
| FrontierMath (Feb 2025 set) | 0.7% | — |

## Knowledge

- Grok-2 (Dec 2024): 29.8 (#233)
- Mistral Small 3.1: 22.6 (#271)

| Benchmark | Grok-2 (Dec 2024) | Mistral Small 3.1 |
|---|---|---|
| GPQA Diamond | 53.8% | 41.9% |
| LMArena Expert | 1254 | 1257 |
| MMLU-Pro | — | 61% |
| Confabulations | 20.1% | — |
| GPQA (HELM) | — | 39.2% |

## Multimodal

- Grok-2 (Dec 2024): —
- Mistral Small 3.1: 33.2 (#99)

| Benchmark | Grok-2 (Dec 2024) | Mistral Small 3.1 |
|---|---|---|
| LMArena Vision | — | 1136 |

## Multilingual

- Grok-2 (Dec 2024): 43.1 (#188)
- Mistral Small 3.1: 41.2 (#209)

| Benchmark | Grok-2 (Dec 2024) | Mistral Small 3.1 |
|---|---|---|
| LMArena Non-English | 1282 | 1255 |
| LMArena Chinese | 1289 | 1253 |
| LMArena French | 1318 | 1273 |
| LMArena German | 1287 | 1266 |
| LMArena Japanese | 1244 | 1208 |
| LMArena Korean | 1237 | 1206 |
| LMArena Russian | 1286 | 1263 |
| LMArena Spanish | 1281 | 1283 |

## Instruction Following

- Grok-2 (Dec 2024): 66.9 (#202)
- Mistral Small 3.1: 63.6 (#230)

| Benchmark | Grok-2 (Dec 2024) | Mistral Small 3.1 |
|---|---|---|
| LMArena Instruction Following | 1270 | 1264 |
| LiveBench Instruction Following | 69.6% | — |
| IFEval | — | 75% |

## Long Context

- Grok-2 (Dec 2024): 38.8 (#190)
- Mistral Small 3.1: 39.5 (#178)

| Benchmark | Grok-2 (Dec 2024) | Mistral Small 3.1 |
|---|---|---|
| LMArena Longer Query | 1276 | 1299 |

## Writing & Preference

- Grok-2 (Dec 2024): 48.6 (#198)
- Mistral Small 3.1: 37.0 (#259)

| Benchmark | Grok-2 (Dec 2024) | Mistral Small 3.1 |
|---|---|---|
| LMArena Text | 1305 | 1277 |
| LMArena Creative Writing | 1284 | 1253 |
| LMArena Multi-Turn | 1290 | 1270 |
| Short-Story Creative Writing | 63.6% | — |
| EQ-Bench Creative Writing | — | 761 |
| WildBench | — | 78.8% |
| LiveBench Language | 45.6% | — |

## FAQ

### Is Grok-2 (Dec 2024) better than Mistral Small 3.1?

Grok-2 (Dec 2024) is the stronger model overall, scoring 33.7 to 31.7 on the Noometry Index.

### Is Grok-2 (Dec 2024) or Mistral Small 3.1 better for coding?

Mistral Small 3.1 scores higher on coding benchmarks: 38.3 versus 33.3 in the Noometry coding category.

### How many benchmarks do Grok-2 (Dec 2024) and Mistral Small 3.1 share?

20 benchmarks have published results for both models. Grok-2 (Dec 2024) has 34 scored results on Noometry and Mistral Small 3.1 has 28.