# Grok 4.20 Multi-Agent vs Qwen3.6 Plus

> Qwen3.6 Plus is the stronger model overall, scoring 47.3 to 45.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-4-20-multi-agent-vs-qwen3-6-plus
- 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 4 categories and Qwen3.6 Plus in 4 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Qwen3.6 Plus leads 56.1 to 39.7.
- The biggest single-benchmark swing is NYT Connections (extended): 89.6% for Grok 4.20 Multi-Agent and 60.3% for Qwen3.6 Plus.
- Qwen3.6 Plus is cheaper at $0.50 / $3 per million input/output tokens, against $1.25 / $2.50 for Grok 4.20 Multi-Agent.

## Snapshot

| | Grok 4.20 Multi-Agent | Qwen3.6 Plus |
|---|---|---|
| Provider | xAI | Alibaba (Qwen) |
| Noometry Index | 45.5 | 47.3 |
| Rank | 62 | 54 |
| Context | 1M | 1M |
| Input $/M | $1.25 | $0.50 |
| Output $/M | $2.50 | $3 |
| Weights | Proprietary | Proprietary |

## Coding

- Grok 4.20 Multi-Agent: 42.4 (#91)
- Qwen3.6 Plus: 40.6 (#125)

| Benchmark | Grok 4.20 Multi-Agent | Qwen3.6 Plus |
|---|---|---|
| LMArena Coding | 1458 | 1467 |
| SWE-bench Verified | — | 57.9% |
| LMArena WebDev | — | 1461 |
| SciCode | — | 40.7% |
| ALE-Bench | — | 670.15 |

## Agentic & Tool Use

- Grok 4.20 Multi-Agent: —
- Qwen3.6 Plus: —

| Benchmark | Grok 4.20 Multi-Agent | Qwen3.6 Plus |
|---|---|---|
| LMArena Search | 1204 | — |
| Vending-Bench 2 | — | 5,115 |

## Reasoning

- Grok 4.20 Multi-Agent: 42.4 (#44)
- Qwen3.6 Plus: 28.5 (#89)

| Benchmark | Grok 4.20 Multi-Agent | Qwen3.6 Plus |
|---|---|---|
| NYT Connections (extended) | 89.6% | 60.3% |
| LMArena Hard Prompts | 1448 | 1449 |
| CritPt | — | 2.9% |
| Chess Puzzles | — | 17% |
| Thematic Generalization | — | 59.5% |
| Mystery Game Puzzles | — | 12% |
| DTBench | — | 81.9% |
| LMCA | — | 33.1% |
| Epoch Capabilities Index | — | 147.67 |

## Math

- Grok 4.20 Multi-Agent: 36.6 (#106)
- Qwen3.6 Plus: 50.6 (#44)

| Benchmark | Grok 4.20 Multi-Agent | Qwen3.6 Plus |
|---|---|---|
| LMArena Math | 1441 | 1450 |
| FrontierMath (Tiers 1-3) | — | 38.2% |
| OTIS Mock AIME 2024-2025 | — | 93.3% |
| FrontierMath (Feb 2025 set) | — | 26.2% |
| FrontierMath Tier 4 (v1) | — | 8.3% |

## Knowledge

- Grok 4.20 Multi-Agent: 39.7 (#116)
- Qwen3.6 Plus: 56.1 (#40)

| Benchmark | Grok 4.20 Multi-Agent | Qwen3.6 Plus |
|---|---|---|
| LMArena Expert | 1445 | 1456 |
| GPQA Diamond | — | 88.4% |
| SimpleQA Verified | — | 44.1% |

## Multimodal

- Grok 4.20 Multi-Agent: 39.8 (#44)
- Qwen3.6 Plus: —

| Benchmark | Grok 4.20 Multi-Agent | Qwen3.6 Plus |
|---|---|---|
| LMArena Vision | 1259 | — |

## Multilingual

- Grok 4.20 Multi-Agent: 54.6 (#40)
- Qwen3.6 Plus: 53.5 (#66)

| Benchmark | Grok 4.20 Multi-Agent | Qwen3.6 Plus |
|---|---|---|
| LMArena Non-English | 1440 | 1424 |
| LMArena Chinese | 1475 | 1478 |
| LMArena French | 1467 | 1454 |
| LMArena German | 1456 | 1451 |
| LMArena Japanese | 1405 | 1389 |
| LMArena Korean | 1416 | 1381 |
| LMArena Russian | 1457 | 1434 |
| LMArena Spanish | 1447 | 1432 |

## Instruction Following

- Grok 4.20 Multi-Agent: 75.0 (#80)
- Qwen3.6 Plus: 75.2 (#70)

| Benchmark | Grok 4.20 Multi-Agent | Qwen3.6 Plus |
|---|---|---|
| LMArena Instruction Following | 1420 | 1425 |

## Long Context

- Grok 4.20 Multi-Agent: 43.7 (#84)
- Qwen3.6 Plus: 45.1 (#48)

| Benchmark | Grok 4.20 Multi-Agent | Qwen3.6 Plus |
|---|---|---|
| LMArena Longer Query | 1430 | 1440 |
| CL-bench | — | 20.3% |

## Writing & Preference

- Grok 4.20 Multi-Agent: 64.1 (#57)
- Qwen3.6 Plus: 62.4 (#78)

| Benchmark | Grok 4.20 Multi-Agent | Qwen3.6 Plus |
|---|---|---|
| LMArena Text | 1450 | 1437 |
| LMArena Creative Writing | 1435 | 1405 |
| LMArena Multi-Turn | 1451 | 1438 |

## FAQ

### Is Grok 4.20 Multi-Agent better than Qwen3.6 Plus?

Qwen3.6 Plus is the stronger model overall, scoring 47.3 to 45.5 on the Noometry Index.

### Which is cheaper, Grok 4.20 Multi-Agent or Qwen3.6 Plus?

Qwen3.6 Plus is cheaper. It lists at $0.50 per million input tokens and $3 per million output tokens; Grok 4.20 Multi-Agent lists at $1.25 and $2.50.

### Is Grok 4.20 Multi-Agent or Qwen3.6 Plus better for coding?

Grok 4.20 Multi-Agent scores higher on coding benchmarks: 42.4 versus 40.6 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 Qwen3.6 Plus share?

18 benchmarks have published results for both models. Grok 4.20 Multi-Agent has 20 scored results on Noometry and Qwen3.6 Plus has 37.