# Grok 4.20 Multi-Agent vs Mixtral 8x22B

> Grok 4.20 Multi-Agent is the stronger model overall, scoring 45.5 to 26.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-4-20-multi-agent-vs-mixtral-8x22b
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Grok 4.20 Multi-Agent scores higher in 8 categories and Mixtral 8x22B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Grok 4.20 Multi-Agent leads 64.1 to 37.1.
- Grok 4.20 Multi-Agent is cheaper at $1.25 / $2.50 per million input/output tokens, against $2 / $6 for Mixtral 8x22B.
- Grok 4.20 Multi-Agent accepts more context: 1M tokens versus 64K.
- Mixtral 8x22B has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 4.20 Multi-Agent | Mixtral 8x22B |
|---|---|---|
| Provider | xAI | Mistral AI |
| Noometry Index | 45.5 | 26.7 |
| Rank | 62 | 330 |
| Context | 1M | 64K |
| Input $/M | $1.25 | $2 |
| Output $/M | $2.50 | $6 |
| Weights | Proprietary | Open |

## Coding

- Grok 4.20 Multi-Agent: 42.4 (#91)
- Mixtral 8x22B: 23.8 (#324)

| Benchmark | Grok 4.20 Multi-Agent | Mixtral 8x22B |
|---|---|---|
| LMArena Coding | 1458 | 1166 |
| WeirdML | — | 3.2% |
| BigCodeBench Instruct | — | 40.6% |
| BigCodeBench Complete | — | 50.2% |
| HumanEval+ | — | 72% |
| MBPP+ | — | 64.3% |

## Agentic & Tool Use

- Grok 4.20 Multi-Agent: —
- Mixtral 8x22B: 22.8 (#119)

| Benchmark | Grok 4.20 Multi-Agent | Mixtral 8x22B |
|---|---|---|
| Cybench | — | 7.5% |
| LMArena Search | 1204 | — |

## Reasoning

- Grok 4.20 Multi-Agent: 42.4 (#44)
- Mixtral 8x22B: 19.1 (#246)

| Benchmark | Grok 4.20 Multi-Agent | Mixtral 8x22B |
|---|---|---|
| LMArena Hard Prompts | 1448 | 1150 |
| NYT Connections (extended) | 89.6% | — |
| DTBench | — | 55.1% |
| Epoch Capabilities Index | — | 122 |
| ForecastBench | — | 56.3 |

## Math

- Grok 4.20 Multi-Agent: 36.6 (#106)
- Mixtral 8x22B: 21.2 (#271)

| Benchmark | Grok 4.20 Multi-Agent | Mixtral 8x22B |
|---|---|---|
| LMArena Math | 1441 | 1184 |
| Omni-MATH | — | 16.3% |
| MATH Level 5 | — | 24.2% |

## Knowledge

- Grok 4.20 Multi-Agent: 39.7 (#116)
- Mixtral 8x22B: 15.1 (#288)

| Benchmark | Grok 4.20 Multi-Agent | Mixtral 8x22B |
|---|---|---|
| LMArena Expert | 1445 | 1113 |
| GPQA Diamond | — | 34.1% |
| MMLU-Pro | — | 46% |
| GPQA (HELM) | — | 33.4% |
| MMLU | — | 77.8% |

## Multimodal

- Grok 4.20 Multi-Agent: 39.8 (#44)
- Mixtral 8x22B: —

| Benchmark | Grok 4.20 Multi-Agent | Mixtral 8x22B |
|---|---|---|
| LMArena Vision | 1259 | — |

## Multilingual

- Grok 4.20 Multi-Agent: 54.6 (#40)
- Mixtral 8x22B: 32.9 (#250)

| Benchmark | Grok 4.20 Multi-Agent | Mixtral 8x22B |
|---|---|---|
| LMArena Non-English | 1440 | 1128 |
| LMArena Chinese | 1475 | 1116 |
| LMArena French | 1467 | 1165 |
| LMArena German | 1456 | 1141 |
| LMArena Japanese | 1405 | 1037 |
| LMArena Korean | 1416 | 1056 |
| LMArena Russian | 1457 | 1158 |
| LMArena Spanish | 1447 | 1150 |

## Instruction Following

- Grok 4.20 Multi-Agent: 75.0 (#80)
- Mixtral 8x22B: 57.9 (#261)

| Benchmark | Grok 4.20 Multi-Agent | Mixtral 8x22B |
|---|---|---|
| LMArena Instruction Following | 1420 | 1147 |
| IFEval | — | 72.4% |

## Long Context

- Grok 4.20 Multi-Agent: 43.7 (#84)
- Mixtral 8x22B: 34.6 (#242)

| Benchmark | Grok 4.20 Multi-Agent | Mixtral 8x22B |
|---|---|---|
| LMArena Longer Query | 1430 | 1144 |

## Writing & Preference

- Grok 4.20 Multi-Agent: 64.1 (#57)
- Mixtral 8x22B: 37.1 (#257)

| Benchmark | Grok 4.20 Multi-Agent | Mixtral 8x22B |
|---|---|---|
| LMArena Text | 1450 | 1162 |
| LMArena Creative Writing | 1435 | 1141 |
| LMArena Multi-Turn | 1451 | 1130 |
| WildBench | — | 71.1% |

## FAQ

### Is Grok 4.20 Multi-Agent better than Mixtral 8x22B?

Grok 4.20 Multi-Agent is the stronger model overall, scoring 45.5 to 26.7 on the Noometry Index.

### Which is cheaper, Grok 4.20 Multi-Agent or Mixtral 8x22B?

Grok 4.20 Multi-Agent is cheaper. It lists at $1.25 per million input tokens and $2.50 per million output tokens; Mixtral 8x22B lists at $2 and $6.

### Is Grok 4.20 Multi-Agent or Mixtral 8x22B better for coding?

Grok 4.20 Multi-Agent scores higher on coding benchmarks: 42.4 versus 23.8 in the Noometry coding category.

### Which has the bigger context window?

Grok 4.20 Multi-Agent does, with 1M tokens against 64K.

### How many benchmarks do Grok 4.20 Multi-Agent and Mixtral 8x22B share?

17 benchmarks have published results for both models. Grok 4.20 Multi-Agent has 20 scored results on Noometry and Mixtral 8x22B has 34.