# Grok 4.20 Multi-Agent vs Grok Build 0.1

> Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 36.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-4-20-multi-agent-vs-grok-build-0-1
- Last updated: 2026-10-12
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where Grok 4.20 Multi-Agent leads 43.9 to 32.2.
- Grok Build 0.1 is cheaper at $1 / $2 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 256K.

## Snapshot

| | Grok 4.20 Multi-Agent | Grok Build 0.1 |
|---|---|---|
| Provider | xAI | xAI |
| Noometry Index | 46.2 | 36.4 |
| Rank | 65 | 216 |
| Context | 1M | 256K |
| Input $/M | $1.25 | $1 |
| Output $/M | $2.50 | $2 |
| Weights | Proprietary | Proprietary |

## Coding

- Grok 4.20 Multi-Agent: 43.0 (#92)
- Grok Build 0.1: 43.1 (#91)

| Benchmark | Grok 4.20 Multi-Agent | Grok Build 0.1 |
|---|---|---|
| SciCode | — | 50.2% |
| LMArena Coding | 1457 | — |

## Agentic & Tool Use

- Grok 4.20 Multi-Agent: —
- Grok Build 0.1: 22.7 (#129)

| Benchmark | Grok 4.20 Multi-Agent | Grok Build 0.1 |
|---|---|---|
| GBAEval | — | 2.4% |
| LMArena Search | 1204 | — |

## Reasoning

- Grok 4.20 Multi-Agent: 43.9 (#48)
- Grok Build 0.1: 32.2 (#77)

| Benchmark | Grok 4.20 Multi-Agent | Grok Build 0.1 |
|---|---|---|
| NYT Connections (extended) | 89.6% | — |
| CritPt | — | 9.1% |
| LMArena Hard Prompts | 1448 | — |

## Math

- Grok 4.20 Multi-Agent: 39.4 (#104)
- Grok Build 0.1: —

| Benchmark | Grok 4.20 Multi-Agent | Grok Build 0.1 |
|---|---|---|
| LMArena Math | 1442 | — |

## Knowledge

- Grok 4.20 Multi-Agent: 40.4 (#119)
- Grok Build 0.1: —

| Benchmark | Grok 4.20 Multi-Agent | Grok Build 0.1 |
|---|---|---|
| LMArena Expert | 1445 | — |

## Multimodal

- Grok 4.20 Multi-Agent: 40.5 (#48)
- Grok Build 0.1: —

| Benchmark | Grok 4.20 Multi-Agent | Grok Build 0.1 |
|---|---|---|
| LMArena Vision | 1259 | — |

## Multilingual

- Grok 4.20 Multi-Agent: 54.4 (#43)
- Grok Build 0.1: —

| Benchmark | Grok 4.20 Multi-Agent | Grok Build 0.1 |
|---|---|---|
| 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)
- Grok Build 0.1: —

| Benchmark | Grok 4.20 Multi-Agent | Grok Build 0.1 |
|---|---|---|
| LMArena Instruction Following | 1420 | — |

## Long Context

- Grok 4.20 Multi-Agent: 43.7 (#88)
- Grok Build 0.1: —

| Benchmark | Grok 4.20 Multi-Agent | Grok Build 0.1 |
|---|---|---|
| LMArena Longer Query | 1431 | — |

## Writing & Preference

- Grok 4.20 Multi-Agent: 64.0 (#59)
- Grok Build 0.1: —

| Benchmark | Grok 4.20 Multi-Agent | Grok Build 0.1 |
|---|---|---|
| LMArena Text | 1450 | — |
| LMArena Creative Writing | 1436 | — |
| LMArena Multi-Turn | 1452 | — |

## FAQ

### Is Grok 4.20 Multi-Agent better than Grok Build 0.1?

Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 36.4 on the Noometry Index.

### Which is cheaper, Grok 4.20 Multi-Agent or Grok Build 0.1?

Grok Build 0.1 is cheaper. It lists at $1 per million input tokens and $2 per million output tokens; Grok 4.20 Multi-Agent lists at $1.25 and $2.50.

### Is Grok 4.20 Multi-Agent or Grok Build 0.1 better for coding?

They score almost the same on coding (43.0 vs 43.1); test both on your own repository before choosing.

### Which has the bigger context window?

Grok 4.20 Multi-Agent does, with 1M tokens against 256K.

### How many benchmarks do Grok 4.20 Multi-Agent and Grok Build 0.1 share?

0 benchmarks have published results for both models. Grok 4.20 Multi-Agent has 20 scored results on Noometry and Grok Build 0.1 has 3.