# Grok 4.20 Multi-Agent vs MiMo-V2-Flash

> Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 41.3 on the Noometry Index. MiMo-V2-Flash costs 8.9× 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-mimo-v2-flash
- Last updated: 2026-10-11
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Grok 4.20 Multi-Agent scores higher in 8 categories and MiMo-V2-Flash in 0 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.20 Multi-Agent leads 43.9 to 24.9.
- MiMo-V2-Flash is cheaper at $0.14 / $0.28 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.
- MiMo-V2-Flash has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 4.20 Multi-Agent | MiMo-V2-Flash |
|---|---|---|
| Provider | xAI | Xiaomi |
| Noometry Index | 46.2 | 41.3 |
| Rank | 65 | 138 |
| Context | 1M | 262K |
| Input $/M | $1.25 | $0.14 |
| Output $/M | $2.50 | $0.28 |
| Weights | Proprietary | Open |

## Coding

- Grok 4.20 Multi-Agent: 43.0 (#92)
- MiMo-V2-Flash: 36.1 (#211)

| Benchmark | Grok 4.20 Multi-Agent | MiMo-V2-Flash |
|---|---|---|
| LMArena Coding | 1457 | 1443 |
| LMArena WebDev | — | 1330 |
| SciCode | — | 25.9% |
| ALE-Bench | — | 737.95 |

## Agentic & Tool Use

- Grok 4.20 Multi-Agent: —
- MiMo-V2-Flash: —

| Benchmark | Grok 4.20 Multi-Agent | MiMo-V2-Flash |
|---|---|---|
| LMArena Search | 1204 | — |

## Reasoning

- Grok 4.20 Multi-Agent: 43.9 (#48)
- MiMo-V2-Flash: 24.9 (#157)

| Benchmark | Grok 4.20 Multi-Agent | MiMo-V2-Flash |
|---|---|---|
| LMArena Hard Prompts | 1448 | 1420 |
| NYT Connections (extended) | 89.6% | — |
| CritPt | — | 0% |

## Math

- Grok 4.20 Multi-Agent: 39.4 (#104)
- MiMo-V2-Flash: 38.3 (#139)

| Benchmark | Grok 4.20 Multi-Agent | MiMo-V2-Flash |
|---|---|---|
| LMArena Math | 1442 | 1396 |

## Knowledge

- Grok 4.20 Multi-Agent: 40.4 (#119)
- MiMo-V2-Flash: 39.7 (#131)

| Benchmark | Grok 4.20 Multi-Agent | MiMo-V2-Flash |
|---|---|---|
| LMArena Expert | 1445 | 1425 |

## Multimodal

- Grok 4.20 Multi-Agent: 40.5 (#48)
- MiMo-V2-Flash: —

| Benchmark | Grok 4.20 Multi-Agent | MiMo-V2-Flash |
|---|---|---|
| LMArena Vision | 1259 | — |

## Multilingual

- Grok 4.20 Multi-Agent: 54.4 (#43)
- MiMo-V2-Flash: 51.0 (#113)

| Benchmark | Grok 4.20 Multi-Agent | MiMo-V2-Flash |
|---|---|---|
| LMArena Non-English | 1440 | 1392 |
| LMArena Chinese | 1475 | 1462 |
| LMArena French | 1466 | 1429 |
| LMArena German | 1456 | 1395 |
| LMArena Japanese | 1405 | 1325 |
| LMArena Korean | 1416 | 1358 |
| LMArena Russian | 1457 | 1387 |
| LMArena Spanish | 1447 | 1420 |

## Instruction Following

- Grok 4.20 Multi-Agent: 74.8 (#84)
- MiMo-V2-Flash: 73.5 (#120)

| Benchmark | Grok 4.20 Multi-Agent | MiMo-V2-Flash |
|---|---|---|
| LMArena Instruction Following | 1420 | 1392 |

## Long Context

- Grok 4.20 Multi-Agent: 43.7 (#88)
- MiMo-V2-Flash: 43.0 (#110)

| Benchmark | Grok 4.20 Multi-Agent | MiMo-V2-Flash |
|---|---|---|
| LMArena Longer Query | 1431 | 1409 |

## Writing & Preference

- Grok 4.20 Multi-Agent: 64.0 (#59)
- MiMo-V2-Flash: 59.7 (#106)

| Benchmark | Grok 4.20 Multi-Agent | MiMo-V2-Flash |
|---|---|---|
| LMArena Text | 1450 | 1411 |
| LMArena Creative Writing | 1436 | 1375 |
| LMArena Multi-Turn | 1452 | 1404 |

## FAQ

### Is Grok 4.20 Multi-Agent better than MiMo-V2-Flash?

Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 41.3 on the Noometry Index. MiMo-V2-Flash costs 8.9× 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 MiMo-V2-Flash?

MiMo-V2-Flash is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; Grok 4.20 Multi-Agent lists at $1.25 and $2.50.

### Is Grok 4.20 Multi-Agent or MiMo-V2-Flash better for coding?

Grok 4.20 Multi-Agent scores higher on coding benchmarks: 43.0 versus 36.1 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 MiMo-V2-Flash share?

17 benchmarks have published results for both models. Grok 4.20 Multi-Agent has 20 scored results on Noometry and MiMo-V2-Flash has 21.