# Grok 4.20 Multi-Agent vs Molmo 2 8b

> Grok 4.20 Multi-Agent is the stronger model overall, scoring 45.5 to 38.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-4-20-multi-agent-vs-molmo-2-8b
- Last updated: 2026-10-10
- Shared benchmarks: 5

## Summary

- They share 5 benchmarks with published results for both. Grok 4.20 Multi-Agent scores higher in 5 categories and Molmo 2 8b in 0 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.20 Multi-Agent leads 42.4 to 24.5.
- Molmo 2 8b has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 4.20 Multi-Agent | Molmo 2 8b |
|---|---|---|
| Provider | xAI | Allen Institute for AI (Ai2) |
| Noometry Index | 45.5 | 38.7 |
| Rank | 62 | 170 |
| Context | 1M | — |
| Input $/M | $1.25 | — |
| Output $/M | $2.50 | — |
| Weights | Proprietary | Open |

## Coding

- Grok 4.20 Multi-Agent: 42.4 (#91)
- Molmo 2 8b: —

| Benchmark | Grok 4.20 Multi-Agent | Molmo 2 8b |
|---|---|---|
| LMArena Coding | 1458 | — |

## Agentic & Tool Use

- Grok 4.20 Multi-Agent: —
- Molmo 2 8b: —

| Benchmark | Grok 4.20 Multi-Agent | Molmo 2 8b |
|---|---|---|
| LMArena Search | 1204 | — |

## Reasoning

- Grok 4.20 Multi-Agent: 42.4 (#44)
- Molmo 2 8b: 24.5 (#146)

| Benchmark | Grok 4.20 Multi-Agent | Molmo 2 8b |
|---|---|---|
| LMArena Hard Prompts | 1448 | 1288 |
| NYT Connections (extended) | 89.6% | — |

## Math

- Grok 4.20 Multi-Agent: 36.6 (#106)
- Molmo 2 8b: —

| Benchmark | Grok 4.20 Multi-Agent | Molmo 2 8b |
|---|---|---|
| LMArena Math | 1441 | — |

## Knowledge

- Grok 4.20 Multi-Agent: 39.7 (#116)
- Molmo 2 8b: —

| Benchmark | Grok 4.20 Multi-Agent | Molmo 2 8b |
|---|---|---|
| LMArena Expert | 1445 | — |

## Multimodal

- Grok 4.20 Multi-Agent: 39.8 (#44)
- Molmo 2 8b: 29.5 (#106)

| Benchmark | Grok 4.20 Multi-Agent | Molmo 2 8b |
|---|---|---|
| LMArena Vision | 1259 | 1081 |

## Multilingual

- Grok 4.20 Multi-Agent: 54.6 (#40)
- Molmo 2 8b: 42.8 (#186)

| Benchmark | Grok 4.20 Multi-Agent | Molmo 2 8b |
|---|---|---|
| LMArena Non-English | 1440 | 1275 |
| LMArena Chinese | 1475 | — |
| LMArena French | 1467 | — |
| LMArena German | 1456 | — |
| LMArena Japanese | 1405 | — |
| LMArena Korean | 1416 | — |
| LMArena Russian | 1457 | — |
| LMArena Spanish | 1447 | — |

## Instruction Following

- Grok 4.20 Multi-Agent: 75.0 (#80)
- Molmo 2 8b: 67.2 (#196)

| Benchmark | Grok 4.20 Multi-Agent | Molmo 2 8b |
|---|---|---|
| LMArena Instruction Following | 1420 | 1270 |

## Long Context

- Grok 4.20 Multi-Agent: 43.7 (#84)
- Molmo 2 8b: —

| Benchmark | Grok 4.20 Multi-Agent | Molmo 2 8b |
|---|---|---|
| LMArena Longer Query | 1430 | — |

## Writing & Preference

- Grok 4.20 Multi-Agent: 64.1 (#57)
- Molmo 2 8b: 49.5 (#187)

| Benchmark | Grok 4.20 Multi-Agent | Molmo 2 8b |
|---|---|---|
| LMArena Text | 1450 | 1288 |
| LMArena Creative Writing | 1435 | — |
| LMArena Multi-Turn | 1451 | — |

## FAQ

### Is Grok 4.20 Multi-Agent better than Molmo 2 8b?

Grok 4.20 Multi-Agent is the stronger model overall, scoring 45.5 to 38.7 on the Noometry Index.

### How many benchmarks do Grok 4.20 Multi-Agent and Molmo 2 8b share?

5 benchmarks have published results for both models. Grok 4.20 Multi-Agent has 20 scored results on Noometry and Molmo 2 8b has 5.