# Grok 4.20 Multi-Agent vs Ministral 8B

> Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 28.2 on the Noometry Index. Ministral 8B costs 10× less per token, which makes it the better buy when Grok 4.20 Multi-Agent's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/grok-4-20-multi-agent-vs-ministral-8b
- Last updated: 2026-10-12
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. Grok 4.20 Multi-Agent scores higher in 8 categories and Ministral 8B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Grok 4.20 Multi-Agent leads 40.4 to 12.6.
- Ministral 8B is cheaper at $0.15 / $0.15 per million input/output tokens, against $1.25 / $2.50 for Grok 4.20 Multi-Agent.
- Grok 4.20 Multi-Agent accepts more context: 1M tokens versus 262K.
- Ministral 8B has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 4.20 Multi-Agent | Ministral 8B |
|---|---|---|
| Provider | xAI | Mistral AI |
| Noometry Index | 46.2 | 28.2 |
| Rank | 65 | 325 |
| Context | 1M | 262K |
| Input $/M | $1.25 | $0.15 |
| Output $/M | $2.50 | $0.15 |
| Weights | Proprietary | Open |

## Coding

- Grok 4.20 Multi-Agent: 43.0 (#92)
- Ministral 8B: 35.0 (#230)

| Benchmark | Grok 4.20 Multi-Agent | Ministral 8B |
|---|---|---|
| LMArena Coding | 1457 | 1202 |

## Agentic & Tool Use

- Grok 4.20 Multi-Agent: —
- Ministral 8B: 16.4 (#148)

| Benchmark | Grok 4.20 Multi-Agent | Ministral 8B |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 11.1% |
| LMArena Search | 1204 | — |

## Reasoning

- Grok 4.20 Multi-Agent: 43.9 (#48)
- Ministral 8B: 18.4 (#281)

| Benchmark | Grok 4.20 Multi-Agent | Ministral 8B |
|---|---|---|
| LMArena Hard Prompts | 1448 | 1191 |
| NYT Connections (extended) | 89.6% | — |
| DTBench | — | 45.7% |

## Math

- Grok 4.20 Multi-Agent: 39.4 (#104)
- Ministral 8B: 25.7 (#267)

| Benchmark | Grok 4.20 Multi-Agent | Ministral 8B |
|---|---|---|
| LMArena Math | 1442 | 1188 |
| MATH Level 5 | — | 14.9% |

## Knowledge

- Grok 4.20 Multi-Agent: 40.4 (#119)
- Ministral 8B: 12.6 (#297)

| Benchmark | Grok 4.20 Multi-Agent | Ministral 8B |
|---|---|---|
| LMArena Expert | 1445 | 1170 |
| GPQA Diamond | — | 27.1% |
| Vectara Hallucination Rate | — | 7.4% |

## Multimodal

- Grok 4.20 Multi-Agent: 40.5 (#48)
- Ministral 8B: —

| Benchmark | Grok 4.20 Multi-Agent | Ministral 8B |
|---|---|---|
| LMArena Vision | 1259 | — |

## Multilingual

- Grok 4.20 Multi-Agent: 54.4 (#43)
- Ministral 8B: 35.1 (#247)

| Benchmark | Grok 4.20 Multi-Agent | Ministral 8B |
|---|---|---|
| LMArena Non-English | 1440 | 1165 |
| LMArena Chinese | 1475 | 1193 |
| LMArena Russian | 1457 | 1195 |
| LMArena French | 1466 | — |
| LMArena German | 1456 | — |
| LMArena Japanese | 1405 | — |
| LMArena Korean | 1416 | — |
| LMArena Spanish | 1447 | — |

## Instruction Following

- Grok 4.20 Multi-Agent: 74.8 (#84)
- Ministral 8B: 60.5 (#250)

| Benchmark | Grok 4.20 Multi-Agent | Ministral 8B |
|---|---|---|
| LMArena Instruction Following | 1420 | 1161 |

## Long Context

- Grok 4.20 Multi-Agent: 43.7 (#88)
- Ministral 8B: 36.7 (#227)

| Benchmark | Grok 4.20 Multi-Agent | Ministral 8B |
|---|---|---|
| LMArena Longer Query | 1431 | 1212 |

## Writing & Preference

- Grok 4.20 Multi-Agent: 64.0 (#59)
- Ministral 8B: 39.6 (#246)

| Benchmark | Grok 4.20 Multi-Agent | Ministral 8B |
|---|---|---|
| LMArena Text | 1450 | 1191 |
| LMArena Creative Writing | 1436 | 1175 |
| LMArena Multi-Turn | 1452 | 1166 |

## FAQ

### Is Grok 4.20 Multi-Agent better than Ministral 8B?

Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 28.2 on the Noometry Index. Ministral 8B costs 10× less per token, which makes it the better buy when Grok 4.20 Multi-Agent's lead doesn't matter for your workload.

### Which is cheaper, Grok 4.20 Multi-Agent or Ministral 8B?

Ministral 8B is cheaper. It lists at $0.15 per million input tokens and $0.15 per million output tokens; Grok 4.20 Multi-Agent lists at $1.25 and $2.50.

### Is Grok 4.20 Multi-Agent or Ministral 8B better for coding?

Grok 4.20 Multi-Agent scores higher on coding benchmarks: 43.0 versus 35.0 in the Noometry coding category.

### Which has the bigger context window?

Grok 4.20 Multi-Agent does, with 1M tokens against 262K.

### How many benchmarks do Grok 4.20 Multi-Agent and Ministral 8B share?

12 benchmarks have published results for both models. Grok 4.20 Multi-Agent has 20 scored results on Noometry and Ministral 8B has 17.