# Grok 4 vs Mistral Small

> Grok 4 is the stronger model overall, scoring 47.8 to 33.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-4-vs-mistral-small
- Last updated: 2026-10-10
- Shared benchmarks: 22

## Summary

- They share 22 benchmarks with published results for both. Grok 4 scores higher in 10 categories and Mistral Small in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where Grok 4 leads 46.5 to 15.4.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 84% for Grok 4 and 5.8% for Mistral Small.
- Mistral Small has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 4 | Mistral Small |
|---|---|---|
| Provider | xAI | Mistral AI |
| Noometry Index | 47.8 | 33.1 |
| Rank | 49 | 238 |
| Context | — | 256K |
| Input $/M | — | $0.15 |
| Output $/M | — | $0.60 |
| Weights | Proprietary | Open |

## Coding

- Grok 4: 49.9 (#44)
- Mistral Small: 33.5 (#242)

| Benchmark | Grok 4 | Mistral Small |
|---|---|---|
| LMArena Coding | 1408 | 1363 |
| Aider Polyglot | 79.6% | — |
| SciCode | — | 26.5% |
| WeirdML | 45.7% | — |
| BigCodeBench Instruct | — | 36.1% |
| LiveBench Coding | — | 36.2% |
| BigCodeBench Complete | — | 46.6% |
| ALE-Bench | — | 497.62 |

## Agentic & Tool Use

- Grok 4: 32.1 (#62)
- Mistral Small: 27.9 (#87)

| Benchmark | Grok 4 | Mistral Small |
|---|---|---|
| Berkeley Function Calling Leaderboard | 63% | 37.1% |
| Terminal-Bench | 27.2% | — |
| GDPval | 21.1% | — |
| Cybench | 43% | — |
| DeepResearch Bench | 47.3% | — |
| BALROG | 43.6% | — |
| LMArena Search | 1142 | — |
| METR Time Horizons | 66.6% | — |

## Reasoning

- Grok 4: 36.9 (#59)
- Mistral Small: 19.3 (#238)

| Benchmark | Grok 4 | Mistral Small |
|---|---|---|
| Kagi LLM Benchmark | 73.6% | 37.8% |
| LMArena Hard Prompts | 1409 | 1336 |
| ARC-AGI-2 | 16% | — |
| SimpleBench | 60.5% | — |
| ARC-AGI-1 | 66.7% | — |
| CritPt | — | 0% |
| Chess Puzzles | 28% | — |
| LiveBench Reasoning | — | 44.8% |
| DTBench | — | 70.9% |
| LiveBench Data Analysis | — | 53.7% |
| LMCA | — | 20.6% |
| Epoch Capabilities Index | 146.46 | — |
| ForecastBench | 60.9 | — |
| LiveBench | — | 44% |

## Math

- Grok 4: 46.5 (#58)
- Mistral Small: 15.4 (#287)

| Benchmark | Grok 4 | Mistral Small |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 84% | 5.8% |
| LMArena Math | 1422 | 1341 |
| Omni-MATH | 60.3% | — |
| LiveBench Math | — | 39.9% |
| MATH Level 5 | — | 46.8% |
| FrontierMath (Feb 2025 set) | 19.7% | — |
| FrontierMath Tier 4 (v1) | 2.1% | — |

## Knowledge

- Grok 4: 53.7 (#50)
- Mistral Small: 30.9 (#214)

| Benchmark | Grok 4 | Mistral Small |
|---|---|---|
| GPQA Diamond | 87% | 47.5% |
| LMArena Expert | 1417 | 1293 |
| MMLU-Pro | 85.1% | — |
| Confabulations | 12.4% | — |
| Vectara Hallucination Rate | — | 5.1% |
| GPQA (HELM) | 72.7% | — |
| MMLU | — | 68.7% |

## Multimodal

- Grok 4: 33.1 (#89)
- Mistral Small: 32.9 (#91)

| Benchmark | Grok 4 | Mistral Small |
|---|---|---|
| LMArena Vision | 1211 | 1142 |
| GeoBench | 45% | — |

## Multilingual

- Grok 4: 52.0 (#98)
- Mistral Small: 45.7 (#164)

| Benchmark | Grok 4 | Mistral Small |
|---|---|---|
| LMArena Non-English | 1403 | 1315 |
| LMArena Chinese | 1428 | 1342 |
| LMArena French | 1418 | 1337 |
| LMArena German | 1429 | 1341 |
| LMArena Japanese | 1396 | 1275 |
| LMArena Korean | 1376 | 1260 |
| LMArena Russian | 1409 | 1324 |
| LMArena Spanish | 1419 | 1346 |

## Instruction Following

- Grok 4: 79.4 (#4)
- Mistral Small: 66.6 (#204)

| Benchmark | Grok 4 | Mistral Small |
|---|---|---|
| LMArena Instruction Following | 1387 | 1310 |
| LiveBench Instruction Following | — | 63.7% |
| IFEval | 94.9% | — |

## Long Context

- Grok 4: 63.1 (#4)
- Mistral Small: 40.4 (#151)

| Benchmark | Grok 4 | Mistral Small |
|---|---|---|
| LMArena Longer Query | 1409 | 1327 |
| Fiction.LiveBench | 94.4% | — |

## Writing & Preference

- Grok 4: 58.7 (#111)
- Mistral Small: 52.6 (#165)

| Benchmark | Grok 4 | Mistral Small |
|---|---|---|
| LMArena Text | 1412 | 1338 |
| LMArena Creative Writing | 1397 | 1304 |
| LMArena Multi-Turn | 1416 | 1344 |
| Short-Story Creative Writing | 76.9% | — |
| WildBench | 79.7% | — |
| LiveBench Language | — | 30.5% |

## FAQ

### Is Grok 4 better than Mistral Small?

Grok 4 is the stronger model overall, scoring 47.8 to 33.1 on the Noometry Index.

### Is Grok 4 or Mistral Small better for coding?

Grok 4 scores higher on coding benchmarks: 49.9 versus 33.5 in the Noometry coding category.

### How many benchmarks do Grok 4 and Mistral Small share?

22 benchmarks have published results for both models. Grok 4 has 48 scored results on Noometry and Mistral Small has 39.