# Grok 4.20 Multi-Agent vs Ministral 3B

> Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 26.2 on the Noometry Index. Ministral 3B costs 16× 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-3b
- Last updated: 2026-10-12
- Shared benchmarks: 0

## Summary

- The widest gap is in knowledge, where Grok 4.20 Multi-Agent leads 40.4 to 10.4.
- Ministral 3B is cheaper at $0.10 / $0.10 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 131K.
- Ministral 3B has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 4.20 Multi-Agent | Ministral 3B |
|---|---|---|
| Provider | xAI | Mistral AI |
| Noometry Index | 46.2 | 26.2 |
| Rank | 65 | 338 |
| Context | 1M | 131K |
| Input $/M | $1.25 | $0.10 |
| Output $/M | $2.50 | $0.10 |
| Weights | Proprietary | Open |

## Coding

- Grok 4.20 Multi-Agent: 43.0 (#92)
- Ministral 3B: —

| Benchmark | Grok 4.20 Multi-Agent | Ministral 3B |
|---|---|---|
| LMArena Coding | 1457 | — |

## Agentic & Tool Use

- Grok 4.20 Multi-Agent: —
- Ministral 3B: —

| Benchmark | Grok 4.20 Multi-Agent | Ministral 3B |
|---|---|---|
| LMArena Search | 1204 | — |

## Reasoning

- Grok 4.20 Multi-Agent: 43.9 (#48)
- Ministral 3B: 18.4 (#282)

| Benchmark | Grok 4.20 Multi-Agent | Ministral 3B |
|---|---|---|
| NYT Connections (extended) | 89.6% | — |
| LMArena Hard Prompts | 1448 | — |
| DTBench | — | 51.7% |
| LMCA | — | 5.5% |
| Epoch Capabilities Index | — | 118.1 |

## Math

- Grok 4.20 Multi-Agent: 39.4 (#104)
- Ministral 3B: 26.6 (#258)

| Benchmark | Grok 4.20 Multi-Agent | Ministral 3B |
|---|---|---|
| LMArena Math | 1442 | — |
| MATH Level 5 | — | 14.4% |

## Knowledge

- Grok 4.20 Multi-Agent: 40.4 (#119)
- Ministral 3B: 10.4 (#302)

| Benchmark | Grok 4.20 Multi-Agent | Ministral 3B |
|---|---|---|
| GPQA Diamond | — | 25.3% |
| Vectara Hallucination Rate | — | 7.3% |
| LMArena Expert | 1445 | — |

## Multimodal

- Grok 4.20 Multi-Agent: 40.5 (#48)
- Ministral 3B: —

| Benchmark | Grok 4.20 Multi-Agent | Ministral 3B |
|---|---|---|
| LMArena Vision | 1259 | — |

## Multilingual

- Grok 4.20 Multi-Agent: 54.4 (#43)
- Ministral 3B: —

| Benchmark | Grok 4.20 Multi-Agent | Ministral 3B |
|---|---|---|
| LMArena Non-English | 1440 | — |
| LMArena Chinese | 1475 | — |
| LMArena French | 1466 | — |
| LMArena German | 1456 | — |
| LMArena Japanese | 1405 | — |
| LMArena Korean | 1416 | — |
| LMArena Russian | 1457 | — |
| LMArena Spanish | 1447 | — |

## Instruction Following

- Grok 4.20 Multi-Agent: 74.8 (#84)
- Ministral 3B: —

| Benchmark | Grok 4.20 Multi-Agent | Ministral 3B |
|---|---|---|
| LMArena Instruction Following | 1420 | — |

## Long Context

- Grok 4.20 Multi-Agent: 43.7 (#88)
- Ministral 3B: —

| Benchmark | Grok 4.20 Multi-Agent | Ministral 3B |
|---|---|---|
| LMArena Longer Query | 1431 | — |

## Writing & Preference

- Grok 4.20 Multi-Agent: 64.0 (#59)
- Ministral 3B: —

| Benchmark | Grok 4.20 Multi-Agent | Ministral 3B |
|---|---|---|
| LMArena Text | 1450 | — |
| LMArena Creative Writing | 1436 | — |
| LMArena Multi-Turn | 1452 | — |

## FAQ

### Is Grok 4.20 Multi-Agent better than Ministral 3B?

Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 26.2 on the Noometry Index. Ministral 3B costs 16× 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 3B?

Ministral 3B is cheaper. It lists at $0.10 per million input tokens and $0.10 per million output tokens; Grok 4.20 Multi-Agent lists at $1.25 and $2.50.

### Which has the bigger context window?

Grok 4.20 Multi-Agent does, with 1M tokens against 131K.

### How many benchmarks do Grok 4.20 Multi-Agent and Ministral 3B share?

0 benchmarks have published results for both models. Grok 4.20 Multi-Agent has 20 scored results on Noometry and Ministral 3B has 6.