# Grok 4.20 Multi-Agent vs MiMo-V2.5-Pro

> Grok 4.20 Multi-Agent and MiMo-V2.5-Pro score almost the same on the Noometry Index (46.2 vs 45.2), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/grok-4-20-multi-agent-vs-mimo-v2-5-pro
- Last updated: 2026-10-10
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. Grok 4.20 Multi-Agent scores higher in 1 category and MiMo-V2.5-Pro in 7 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.20 Multi-Agent leads 43.9 to 26.8.
- The biggest single-benchmark swing is NYT Connections (extended): 89.6% for Grok 4.20 Multi-Agent and 34.4% for MiMo-V2.5-Pro.
- MiMo-V2.5-Pro is cheaper at $0.43 / $0.87 per million input/output tokens, against $1.25 / $2.50 for Grok 4.20 Multi-Agent.
- MiMo-V2.5-Pro accepts more context: 1.05M tokens versus 1M.
- MiMo-V2.5-Pro has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 4.20 Multi-Agent | MiMo-V2.5-Pro |
|---|---|---|
| Provider | xAI | Xiaomi |
| Noometry Index | 46.2 | 45.2 |
| Rank | 65 | 74 |
| Context | 1M | 1.05M |
| Input $/M | $1.25 | $0.43 |
| Output $/M | $2.50 | $0.87 |
| Weights | Proprietary | Open |

## Coding

- Grok 4.20 Multi-Agent: 43.0 (#92)
- MiMo-V2.5-Pro: 47.4 (#60)

| Benchmark | Grok 4.20 Multi-Agent | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Coding | 1457 | 1503 |
| LMArena WebDev | — | 1479 |
| SciCode | — | 50.2% |
| ALE-Bench | — | 899.8 |

## Agentic & Tool Use

- Grok 4.20 Multi-Agent: —
- MiMo-V2.5-Pro: —

| Benchmark | Grok 4.20 Multi-Agent | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Search | 1204 | — |

## Reasoning

- Grok 4.20 Multi-Agent: 43.9 (#48)
- MiMo-V2.5-Pro: 26.8 (#130)

| Benchmark | Grok 4.20 Multi-Agent | MiMo-V2.5-Pro |
|---|---|---|
| NYT Connections (extended) | 89.6% | 34.4% |
| LMArena Hard Prompts | 1448 | 1488 |
| CritPt | — | 4% |
| DTBench | — | 84.5% |
| LMCA | — | 29.5% |

## Math

- Grok 4.20 Multi-Agent: 39.4 (#104)
- MiMo-V2.5-Pro: 40.0 (#96)

| Benchmark | Grok 4.20 Multi-Agent | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Math | 1442 | 1481 |
| ProofBench | — | 22% |

## Knowledge

- Grok 4.20 Multi-Agent: 40.4 (#119)
- MiMo-V2.5-Pro: 42.2 (#98)

| Benchmark | Grok 4.20 Multi-Agent | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Expert | 1445 | 1503 |

## Multimodal

- Grok 4.20 Multi-Agent: 40.5 (#48)
- MiMo-V2.5-Pro: —

| Benchmark | Grok 4.20 Multi-Agent | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Vision | 1259 | — |

## Multilingual

- Grok 4.20 Multi-Agent: 54.4 (#43)
- MiMo-V2.5-Pro: 55.1 (#34)

| Benchmark | Grok 4.20 Multi-Agent | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Non-English | 1440 | 1449 |
| LMArena Chinese | 1475 | 1507 |
| LMArena French | 1466 | 1488 |
| LMArena German | 1456 | 1458 |
| LMArena Japanese | 1405 | 1412 |
| LMArena Korean | 1416 | 1437 |
| LMArena Russian | 1457 | 1450 |
| LMArena Spanish | 1447 | 1471 |

## Instruction Following

- Grok 4.20 Multi-Agent: 74.8 (#84)
- MiMo-V2.5-Pro: 77.5 (#21)

| Benchmark | Grok 4.20 Multi-Agent | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Instruction Following | 1420 | 1477 |

## Long Context

- Grok 4.20 Multi-Agent: 43.7 (#88)
- MiMo-V2.5-Pro: 45.4 (#37)

| Benchmark | Grok 4.20 Multi-Agent | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Longer Query | 1431 | 1483 |

## Writing & Preference

- Grok 4.20 Multi-Agent: 64.0 (#59)
- MiMo-V2.5-Pro: 65.3 (#49)

| Benchmark | Grok 4.20 Multi-Agent | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Text | 1450 | 1465 |
| LMArena Creative Writing | 1436 | 1440 |
| LMArena Multi-Turn | 1452 | 1477 |
| EQ-Bench Creative Writing | — | 1493 |
| EQ-Bench 4 | — | 1208 |

## FAQ

### Is Grok 4.20 Multi-Agent better than MiMo-V2.5-Pro?

Grok 4.20 Multi-Agent and MiMo-V2.5-Pro score almost the same on the Noometry Index (46.2 vs 45.2), so choose on price, context window or the category you care about most.

### Which is cheaper, Grok 4.20 Multi-Agent or MiMo-V2.5-Pro?

MiMo-V2.5-Pro is cheaper. It lists at $0.43 per million input tokens and $0.87 per million output tokens; Grok 4.20 Multi-Agent lists at $1.25 and $2.50.

### Is Grok 4.20 Multi-Agent or MiMo-V2.5-Pro better for coding?

MiMo-V2.5-Pro scores higher on coding benchmarks: 47.4 versus 43.0 in the Noometry coding category.

### Which has the bigger context window?

MiMo-V2.5-Pro does, with 1.05M tokens against 1M.

### How many benchmarks do Grok 4.20 Multi-Agent and MiMo-V2.5-Pro share?

18 benchmarks have published results for both models. Grok 4.20 Multi-Agent has 20 scored results on Noometry and MiMo-V2.5-Pro has 27.