# Grok 4 vs Mixtral 8x22B

> Grok 4 is the stronger model overall, scoring 47.8 to 26.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-4-vs-mixtral-8x22b
- Last updated: 2026-10-10
- Shared benchmarks: 27

## Summary

- They share 27 benchmarks with published results for both. Grok 4 scores higher in 9 categories and Mixtral 8x22B in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Grok 4 leads 53.7 to 15.1.
- The biggest single-benchmark swing is GPQA Diamond: 87% for Grok 4 and 34.1% for Mixtral 8x22B.
- Mixtral 8x22B has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 4 | Mixtral 8x22B |
|---|---|---|
| Provider | xAI | Mistral AI |
| Noometry Index | 47.8 | 26.7 |
| Rank | 49 | 330 |
| Context | — | 64K |
| Input $/M | — | $2 |
| Output $/M | — | $6 |
| Weights | Proprietary | Open |

## Coding

- Grok 4: 49.9 (#44)
- Mixtral 8x22B: 23.8 (#324)

| Benchmark | Grok 4 | Mixtral 8x22B |
|---|---|---|
| WeirdML | 45.7% | 3.2% |
| LMArena Coding | 1408 | 1166 |
| Aider Polyglot | 79.6% | — |
| BigCodeBench Instruct | — | 40.6% |
| BigCodeBench Complete | — | 50.2% |
| HumanEval+ | — | 72% |
| MBPP+ | — | 64.3% |

## Agentic & Tool Use

- Grok 4: 32.1 (#62)
- Mixtral 8x22B: 22.8 (#119)

| Benchmark | Grok 4 | Mixtral 8x22B |
|---|---|---|
| Cybench | 43% | 7.5% |
| Terminal-Bench | 27.2% | — |
| Berkeley Function Calling Leaderboard | 63% | — |
| GDPval | 21.1% | — |
| DeepResearch Bench | 47.3% | — |
| BALROG | 43.6% | — |
| LMArena Search | 1142 | — |
| METR Time Horizons | 66.6% | — |

## Reasoning

- Grok 4: 36.9 (#59)
- Mixtral 8x22B: 19.1 (#246)

| Benchmark | Grok 4 | Mixtral 8x22B |
|---|---|---|
| LMArena Hard Prompts | 1409 | 1150 |
| Epoch Capabilities Index | 146.46 | 122 |
| ForecastBench | 60.9 | 56.3 |
| ARC-AGI-2 | 16% | — |
| SimpleBench | 60.5% | — |
| Kagi LLM Benchmark | 73.6% | — |
| ARC-AGI-1 | 66.7% | — |
| Chess Puzzles | 28% | — |
| DTBench | — | 55.1% |

## Math

- Grok 4: 46.5 (#58)
- Mixtral 8x22B: 21.2 (#271)

| Benchmark | Grok 4 | Mixtral 8x22B |
|---|---|---|
| Omni-MATH | 60.3% | 16.3% |
| LMArena Math | 1422 | 1184 |
| OTIS Mock AIME 2024-2025 | 84% | — |
| MATH Level 5 | — | 24.2% |
| FrontierMath (Feb 2025 set) | 19.7% | — |
| FrontierMath Tier 4 (v1) | 2.1% | — |

## Knowledge

- Grok 4: 53.7 (#50)
- Mixtral 8x22B: 15.1 (#288)

| Benchmark | Grok 4 | Mixtral 8x22B |
|---|---|---|
| GPQA Diamond | 87% | 34.1% |
| MMLU-Pro | 85.1% | 46% |
| GPQA (HELM) | 72.7% | 33.4% |
| LMArena Expert | 1417 | 1113 |
| Confabulations | 12.4% | — |
| MMLU | — | 77.8% |

## Multimodal

- Grok 4: 33.1 (#89)
- Mixtral 8x22B: —

| Benchmark | Grok 4 | Mixtral 8x22B |
|---|---|---|
| LMArena Vision | 1211 | — |
| GeoBench | 45% | — |

## Multilingual

- Grok 4: 52.0 (#98)
- Mixtral 8x22B: 32.9 (#250)

| Benchmark | Grok 4 | Mixtral 8x22B |
|---|---|---|
| LMArena Non-English | 1403 | 1128 |
| LMArena Chinese | 1428 | 1116 |
| LMArena French | 1418 | 1165 |
| LMArena German | 1429 | 1141 |
| LMArena Japanese | 1396 | 1037 |
| LMArena Korean | 1376 | 1056 |
| LMArena Russian | 1409 | 1158 |
| LMArena Spanish | 1419 | 1150 |

## Instruction Following

- Grok 4: 79.4 (#4)
- Mixtral 8x22B: 57.9 (#261)

| Benchmark | Grok 4 | Mixtral 8x22B |
|---|---|---|
| IFEval | 94.9% | 72.4% |
| LMArena Instruction Following | 1387 | 1147 |

## Long Context

- Grok 4: 63.1 (#4)
- Mixtral 8x22B: 34.6 (#242)

| Benchmark | Grok 4 | Mixtral 8x22B |
|---|---|---|
| LMArena Longer Query | 1409 | 1144 |
| Fiction.LiveBench | 94.4% | — |

## Writing & Preference

- Grok 4: 58.7 (#111)
- Mixtral 8x22B: 37.1 (#257)

| Benchmark | Grok 4 | Mixtral 8x22B |
|---|---|---|
| LMArena Text | 1412 | 1162 |
| LMArena Creative Writing | 1397 | 1141 |
| WildBench | 79.7% | 71.1% |
| LMArena Multi-Turn | 1416 | 1130 |
| Short-Story Creative Writing | 76.9% | — |

## FAQ

### Is Grok 4 better than Mixtral 8x22B?

Grok 4 is the stronger model overall, scoring 47.8 to 26.7 on the Noometry Index.

### Is Grok 4 or Mixtral 8x22B better for coding?

Grok 4 scores higher on coding benchmarks: 49.9 versus 23.8 in the Noometry coding category.

### How many benchmarks do Grok 4 and Mixtral 8x22B share?

27 benchmarks have published results for both models. Grok 4 has 48 scored results on Noometry and Mixtral 8x22B has 34.