# Grok 4.20 Multi-Agent vs o1-pro

> Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 31.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-4-20-multi-agent-vs-o1-pro
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where Grok 4.20 Multi-Agent leads 43.9 to 20.4.
- Grok 4.20 Multi-Agent is cheaper at $1.25 / $2.50 per million input/output tokens, against $150 / $600 for o1-pro.
- Grok 4.20 Multi-Agent accepts more context: 1M tokens versus 200K.

## Snapshot

| | Grok 4.20 Multi-Agent | o1-pro |
|---|---|---|
| Provider | xAI | OpenAI |
| Noometry Index | 46.2 | 31.5 |
| Rank | 65 | 271 |
| Context | 1M | 200K |
| Input $/M | $1.25 | $150 |
| Output $/M | $2.50 | $600 |
| Weights | Proprietary | Proprietary |

## Coding

- Grok 4.20 Multi-Agent: 43.0 (#92)
- o1-pro: —

| Benchmark | Grok 4.20 Multi-Agent | o1-pro |
|---|---|---|
| LMArena Coding | 1457 | — |

## Agentic & Tool Use

- Grok 4.20 Multi-Agent: —
- o1-pro: —

| Benchmark | Grok 4.20 Multi-Agent | o1-pro |
|---|---|---|
| LMArena Search | 1204 | — |

## Reasoning

- Grok 4.20 Multi-Agent: 43.9 (#48)
- o1-pro: 20.4 (#239)

| Benchmark | Grok 4.20 Multi-Agent | o1-pro |
|---|---|---|
| NYT Connections (extended) | 89.6% | — |
| ARC-AGI-1 | — | 23.3% |
| EnigmaEval | — | 6.1% |
| LMArena Hard Prompts | 1448 | — |

## Math

- Grok 4.20 Multi-Agent: 39.4 (#104)
- o1-pro: —

| Benchmark | Grok 4.20 Multi-Agent | o1-pro |
|---|---|---|
| LMArena Math | 1442 | — |

## Knowledge

- Grok 4.20 Multi-Agent: 40.4 (#119)
- o1-pro: 29.7 (#234)

| Benchmark | Grok 4.20 Multi-Agent | o1-pro |
|---|---|---|
| Humanity's Last Exam | — | 8.1% |
| LMArena Expert | 1445 | — |

## Multimodal

- Grok 4.20 Multi-Agent: 40.5 (#48)
- o1-pro: —

| Benchmark | Grok 4.20 Multi-Agent | o1-pro |
|---|---|---|
| LMArena Vision | 1259 | — |

## Multilingual

- Grok 4.20 Multi-Agent: 54.4 (#43)
- o1-pro: —

| Benchmark | Grok 4.20 Multi-Agent | o1-pro |
|---|---|---|
| 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)
- o1-pro: —

| Benchmark | Grok 4.20 Multi-Agent | o1-pro |
|---|---|---|
| LMArena Instruction Following | 1420 | — |

## Long Context

- Grok 4.20 Multi-Agent: 43.7 (#88)
- o1-pro: —

| Benchmark | Grok 4.20 Multi-Agent | o1-pro |
|---|---|---|
| LMArena Longer Query | 1431 | — |

## Writing & Preference

- Grok 4.20 Multi-Agent: 64.0 (#59)
- o1-pro: —

| Benchmark | Grok 4.20 Multi-Agent | o1-pro |
|---|---|---|
| LMArena Text | 1450 | — |
| LMArena Creative Writing | 1436 | — |
| LMArena Multi-Turn | 1452 | — |

## FAQ

### Is Grok 4.20 Multi-Agent better than o1-pro?

Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 31.5 on the Noometry Index.

### Which is cheaper, Grok 4.20 Multi-Agent or o1-pro?

Grok 4.20 Multi-Agent is cheaper. It lists at $1.25 per million input tokens and $2.50 per million output tokens; o1-pro lists at $150 and $600.

### Which has the bigger context window?

Grok 4.20 Multi-Agent does, with 1M tokens against 200K.

### How many benchmarks do Grok 4.20 Multi-Agent and o1-pro share?

0 benchmarks have published results for both models. Grok 4.20 Multi-Agent has 20 scored results on Noometry and o1-pro has 3.