# Grok 4.20 Multi-Agent vs Qwen Plus

> Grok 4.20 Multi-Agent is the stronger model overall, scoring 45.5 to 36.7 on the Noometry Index. Qwen Plus costs 2.6× 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-qwen-plus
- Last updated: 2026-10-10
- Shared benchmarks: 13

## Summary

- They share 13 benchmarks with published results for both. Grok 4.20 Multi-Agent scores higher in 8 categories and Qwen Plus in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.20 Multi-Agent leads 42.4 to 27.6.
- Qwen Plus is cheaper at $0.40 / $1.20 per million input/output tokens, against $1.25 / $2.50 for Grok 4.20 Multi-Agent.

## Snapshot

| | Grok 4.20 Multi-Agent | Qwen Plus |
|---|---|---|
| Provider | xAI | Alibaba (Qwen) |
| Noometry Index | 45.5 | 36.7 |
| Rank | 62 | 204 |
| Context | 1M | 1M |
| Input $/M | $1.25 | $0.40 |
| Output $/M | $2.50 | $1.20 |
| Weights | Proprietary | Proprietary |

## Coding

- Grok 4.20 Multi-Agent: 42.4 (#91)
- Qwen Plus: 38.3 (#163)

| Benchmark | Grok 4.20 Multi-Agent | Qwen Plus |
|---|---|---|
| LMArena Coding | 1458 | 1328 |

## Agentic & Tool Use

- Grok 4.20 Multi-Agent: —
- Qwen Plus: —

| Benchmark | Grok 4.20 Multi-Agent | Qwen Plus |
|---|---|---|
| LMArena Search | 1204 | — |

## Reasoning

- Grok 4.20 Multi-Agent: 42.4 (#44)
- Qwen Plus: 27.6 (#101)

| Benchmark | Grok 4.20 Multi-Agent | Qwen Plus |
|---|---|---|
| LMArena Hard Prompts | 1448 | 1317 |
| Kagi LLM Benchmark | — | 63.3% |
| NYT Connections (extended) | 89.6% | — |
| DTBench | — | 81.1% |
| LMCA | — | 24% |

## Math

- Grok 4.20 Multi-Agent: 36.6 (#106)
- Qwen Plus: 22.0 (#266)

| Benchmark | Grok 4.20 Multi-Agent | Qwen Plus |
|---|---|---|
| LMArena Math | 1441 | 1326 |
| OTIS Mock AIME 2024-2025 | — | 17.8% |
| MATH Level 5 | — | 65.3% |
| FrontierMath (Feb 2025 set) | — | 1.7% |

## Knowledge

- Grok 4.20 Multi-Agent: 39.7 (#116)
- Qwen Plus: 27.4 (#245)

| Benchmark | Grok 4.20 Multi-Agent | Qwen Plus |
|---|---|---|
| LMArena Expert | 1445 | 1328 |
| GPQA Diamond | — | 48.1% |

## Multimodal

- Grok 4.20 Multi-Agent: 39.8 (#44)
- Qwen Plus: —

| Benchmark | Grok 4.20 Multi-Agent | Qwen Plus |
|---|---|---|
| LMArena Vision | 1259 | — |

## Multilingual

- Grok 4.20 Multi-Agent: 54.6 (#40)
- Qwen Plus: 45.3 (#170)

| Benchmark | Grok 4.20 Multi-Agent | Qwen Plus |
|---|---|---|
| LMArena Non-English | 1440 | 1310 |
| LMArena Chinese | 1475 | 1347 |
| LMArena Japanese | 1405 | 1251 |
| LMArena Russian | 1457 | 1323 |
| LMArena French | 1467 | — |
| LMArena German | 1456 | — |
| LMArena Korean | 1416 | — |
| LMArena Spanish | 1447 | — |

## Instruction Following

- Grok 4.20 Multi-Agent: 75.0 (#80)
- Qwen Plus: 69.0 (#176)

| Benchmark | Grok 4.20 Multi-Agent | Qwen Plus |
|---|---|---|
| LMArena Instruction Following | 1420 | 1303 |

## Long Context

- Grok 4.20 Multi-Agent: 43.7 (#84)
- Qwen Plus: 40.3 (#153)

| Benchmark | Grok 4.20 Multi-Agent | Qwen Plus |
|---|---|---|
| LMArena Longer Query | 1430 | 1325 |

## Writing & Preference

- Grok 4.20 Multi-Agent: 64.1 (#57)
- Qwen Plus: 52.4 (#171)

| Benchmark | Grok 4.20 Multi-Agent | Qwen Plus |
|---|---|---|
| LMArena Text | 1450 | 1326 |
| LMArena Creative Writing | 1435 | 1293 |
| LMArena Multi-Turn | 1451 | 1336 |

## FAQ

### Is Grok 4.20 Multi-Agent better than Qwen Plus?

Grok 4.20 Multi-Agent is the stronger model overall, scoring 45.5 to 36.7 on the Noometry Index. Qwen Plus costs 2.6× 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 Qwen Plus?

Qwen Plus is cheaper. It lists at $0.40 per million input tokens and $1.20 per million output tokens; Grok 4.20 Multi-Agent lists at $1.25 and $2.50.

### Is Grok 4.20 Multi-Agent or Qwen Plus better for coding?

Grok 4.20 Multi-Agent scores higher on coding benchmarks: 42.4 versus 38.3 in the Noometry coding category.

### Which has the bigger context window?

Both accept 1M tokens.

### How many benchmarks do Grok 4.20 Multi-Agent and Qwen Plus share?

13 benchmarks have published results for both models. Grok 4.20 Multi-Agent has 20 scored results on Noometry and Qwen Plus has 20.