# Grok 4 Fast vs Qwen3.6 Max Preview

> Qwen3.6 Max Preview is the stronger model overall, scoring 51.5 to 39.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-4-fast-vs-qwen3-6-max-preview
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Grok 4 Fast scores higher in 1 category and Qwen3.6 Max Preview in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Qwen3.6 Max Preview leads 57.6 to 32.0.

## Snapshot

| | Grok 4 Fast | Qwen3.6 Max Preview |
|---|---|---|
| Provider | xAI | Alibaba (Qwen) |
| Noometry Index | 39.4 | 51.5 |
| Rank | 167 | 43 |
| Context | — | 262K |
| Input $/M | — | $1.30 |
| Output $/M | — | $7.80 |
| Weights | Proprietary | Proprietary |

## Coding

- Grok 4 Fast: 32.5 (#271)
- Qwen3.6 Max Preview: 48.7 (#54)

| Benchmark | Grok 4 Fast | Qwen3.6 Max Preview |
|---|---|---|
| LMArena WebDev | 1159 | 1482 |
| LMArena Coding | 1429 | 1471 |
| SWE-bench Verified | — | 76.7% |
| WeirdML | 42.9% | — |

## Agentic & Tool Use

- Grok 4 Fast: 29.5 (#86)
- Qwen3.6 Max Preview: —

| Benchmark | Grok 4 Fast | Qwen3.6 Max Preview |
|---|---|---|
| τ²-bench Banking | 15.7% | — |
| Cybench | 30% | — |
| LMArena Search | 1171 | — |
| Vending-Bench 2 | — | 4,254 |

## Reasoning

- Grok 4 Fast: 22.2 (#201)
- Qwen3.6 Max Preview: 41.7 (#53)

| Benchmark | Grok 4 Fast | Qwen3.6 Max Preview |
|---|---|---|
| LMArena Hard Prompts | 1412 | 1457 |
| DTBench | 82.7% | 87.2% |
| Epoch Capabilities Index | 144.2 | 149.24 |
| ARC-AGI-2 | 5.3% | — |
| SimpleBench | — | 63% |
| Kagi LLM Benchmark | 66.1% | — |
| NYT Connections (extended) | — | 74.1% |
| ARC-AGI-1 | 48.5% | — |
| Chess Puzzles | — | 20% |
| Mystery Game Puzzles | — | 19% |
| LMCA | — | 42.5% |
| ForecastBench | 60.5 | — |

## Math

- Grok 4 Fast: 38.9 (#123)
- Qwen3.6 Max Preview: 54.1 (#46)

| Benchmark | Grok 4 Fast | Qwen3.6 Max Preview |
|---|---|---|
| LMArena Math | 1419 | 1465 |
| OTIS Mock AIME 2024-2025 | — | 91.1% |
| FrontierMath (Feb 2025 set) | — | 23.1% |
| FrontierMath Tier 4 (v1) | — | 4.2% |

## Knowledge

- Grok 4 Fast: 32.0 (#214)
- Qwen3.6 Max Preview: 57.6 (#39)

| Benchmark | Grok 4 Fast | Qwen3.6 Max Preview |
|---|---|---|
| LMArena Expert | 1411 | 1478 |
| GPQA Diamond | — | 87.4% |
| SimpleQA Verified | — | 52% |
| Vectara Hallucination Rate | 19.7% | — |

## Multilingual

- Grok 4 Fast: 51.3 (#111)
- Qwen3.6 Max Preview: 54.2 (#48)

| Benchmark | Grok 4 Fast | Qwen3.6 Max Preview |
|---|---|---|
| LMArena Non-English | 1396 | 1437 |
| LMArena Chinese | 1457 | 1487 |
| LMArena French | 1431 | 1449 |
| LMArena Russian | 1389 | 1445 |
| LMArena Spanish | 1415 | 1454 |
| LMArena German | 1383 | — |
| LMArena Japanese | 1352 | — |
| LMArena Korean | 1357 | — |

## Instruction Following

- Grok 4 Fast: 73.2 (#121)
- Qwen3.6 Max Preview: 75.7 (#55)

| Benchmark | Grok 4 Fast | Qwen3.6 Max Preview |
|---|---|---|
| LMArena Instruction Following | 1387 | 1438 |

## Long Context

- Grok 4 Fast: 63.2 (#3)
- Qwen3.6 Max Preview: 44.6 (#61)

| Benchmark | Grok 4 Fast | Qwen3.6 Max Preview |
|---|---|---|
| LMArena Longer Query | 1415 | 1457 |
| Fiction.LiveBench | 94.4% | — |

## Writing & Preference

- Grok 4 Fast: 60.0 (#102)
- Qwen3.6 Max Preview: 63.8 (#60)

| Benchmark | Grok 4 Fast | Qwen3.6 Max Preview |
|---|---|---|
| LMArena Text | 1407 | 1447 |
| LMArena Creative Writing | 1387 | 1435 |
| LMArena Multi-Turn | 1414 | 1456 |

## FAQ

### Is Grok 4 Fast better than Qwen3.6 Max Preview?

Qwen3.6 Max Preview is the stronger model overall, scoring 51.5 to 39.4 on the Noometry Index.

### Is Grok 4 Fast or Qwen3.6 Max Preview better for coding?

Qwen3.6 Max Preview scores higher on coding benchmarks: 48.7 versus 32.5 in the Noometry coding category.

### How many benchmarks do Grok 4 Fast and Qwen3.6 Max Preview share?

17 benchmarks have published results for both models. Grok 4 Fast has 30 scored results on Noometry and Qwen3.6 Max Preview has 29.