# Grok 4 Fast vs Qwen3.6 Plus

> Qwen3.6 Plus is the stronger model overall, scoring 47.3 to 39.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-4-fast-vs-qwen3-6-plus
- Last updated: 2026-10-10
- Shared benchmarks: 20

## Summary

- They share 20 benchmarks with published results for both. Grok 4 Fast scores higher in 1 category and Qwen3.6 Plus in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Qwen3.6 Plus leads 56.1 to 31.5.

## Snapshot

| | Grok 4 Fast | Qwen3.6 Plus |
|---|---|---|
| Provider | xAI | Alibaba (Qwen) |
| Noometry Index | 39.0 | 47.3 |
| Rank | 164 | 54 |
| Context | — | 1M |
| Input $/M | — | $0.50 |
| Output $/M | — | $3 |
| Weights | Proprietary | Proprietary |

## Coding

- Grok 4 Fast: 32.3 (#264)
- Qwen3.6 Plus: 40.6 (#125)

| Benchmark | Grok 4 Fast | Qwen3.6 Plus |
|---|---|---|
| LMArena WebDev | 1160 | 1461 |
| LMArena Coding | 1429 | 1467 |
| SWE-bench Verified | — | 57.9% |
| SciCode | — | 40.7% |
| WeirdML | 42.9% | — |
| ALE-Bench | — | 670.15 |

## Agentic & Tool Use

- Grok 4 Fast: 29.3 (#80)
- Qwen3.6 Plus: —

| Benchmark | Grok 4 Fast | Qwen3.6 Plus |
|---|---|---|
| τ²-bench Banking | 15.7% | — |
| Cybench | 30% | — |
| LMArena Search | 1171 | — |
| Vending-Bench 2 | — | 5,115 |

## Reasoning

- Grok 4 Fast: 22.5 (#179)
- Qwen3.6 Plus: 28.5 (#89)

| Benchmark | Grok 4 Fast | Qwen3.6 Plus |
|---|---|---|
| LMArena Hard Prompts | 1413 | 1449 |
| DTBench | 82.7% | 81.9% |
| Epoch Capabilities Index | 144.21 | 147.67 |
| ARC-AGI-2 | 5.3% | — |
| Kagi LLM Benchmark | 66.1% | — |
| NYT Connections (extended) | — | 60.3% |
| ARC-AGI-1 | 48.5% | — |
| CritPt | — | 2.9% |
| Chess Puzzles | — | 17% |
| Thematic Generalization | — | 59.5% |
| Mystery Game Puzzles | — | 12% |
| LMCA | — | 33.1% |
| ForecastBench | 60.5 | — |

## Math

- Grok 4 Fast: 36.1 (#126)
- Qwen3.6 Plus: 50.6 (#44)

| Benchmark | Grok 4 Fast | Qwen3.6 Plus |
|---|---|---|
| LMArena Math | 1419 | 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 Fast: 31.5 (#211)
- Qwen3.6 Plus: 56.1 (#40)

| Benchmark | Grok 4 Fast | Qwen3.6 Plus |
|---|---|---|
| LMArena Expert | 1411 | 1456 |
| GPQA Diamond | — | 88.4% |
| SimpleQA Verified | — | 44.1% |
| Vectara Hallucination Rate | 19.7% | — |

## Multilingual

- Grok 4 Fast: 51.5 (#106)
- Qwen3.6 Plus: 53.5 (#66)

| Benchmark | Grok 4 Fast | Qwen3.6 Plus |
|---|---|---|
| LMArena Non-English | 1397 | 1424 |
| LMArena Chinese | 1458 | 1478 |
| LMArena French | 1433 | 1454 |
| LMArena German | 1383 | 1451 |
| LMArena Japanese | 1358 | 1389 |
| LMArena Korean | 1359 | 1381 |
| LMArena Russian | 1387 | 1434 |
| LMArena Spanish | 1414 | 1432 |

## Instruction Following

- Grok 4 Fast: 73.4 (#116)
- Qwen3.6 Plus: 75.2 (#70)

| Benchmark | Grok 4 Fast | Qwen3.6 Plus |
|---|---|---|
| LMArena Instruction Following | 1388 | 1425 |

## Long Context

- Grok 4 Fast: 63.2 (#3)
- Qwen3.6 Plus: 45.1 (#48)

| Benchmark | Grok 4 Fast | Qwen3.6 Plus |
|---|---|---|
| LMArena Longer Query | 1415 | 1440 |
| Fiction.LiveBench | 94.4% | — |
| CL-bench | — | 20.3% |

## Writing & Preference

- Grok 4 Fast: 60.2 (#96)
- Qwen3.6 Plus: 62.4 (#78)

| Benchmark | Grok 4 Fast | Qwen3.6 Plus |
|---|---|---|
| LMArena Text | 1407 | 1437 |
| LMArena Creative Writing | 1388 | 1405 |
| LMArena Multi-Turn | 1414 | 1438 |

## FAQ

### Is Grok 4 Fast better than Qwen3.6 Plus?

Qwen3.6 Plus is the stronger model overall, scoring 47.3 to 39.0 on the Noometry Index.

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

Qwen3.6 Plus scores higher on coding benchmarks: 40.6 versus 32.3 in the Noometry coding category.

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

20 benchmarks have published results for both models. Grok 4 Fast has 30 scored results on Noometry and Qwen3.6 Plus has 37.