# Grok 4.1 Fast vs Qwen Plus

> Grok 4.1 Fast is the stronger model overall, scoring 40.9 to 36.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-4-1-fast-vs-qwen-plus
- Last updated: 2026-10-10
- Shared benchmarks: 14

## Summary

- They share 14 benchmarks with published results for both. Grok 4.1 Fast scores higher in 7 categories and Qwen Plus in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.1 Fast leads 42.3 to 27.6.
- The biggest single-benchmark swing is DTBench: 87.7% for Grok 4.1 Fast and 81.1% for Qwen Plus.
- Grok 4.1 Fast is cheaper at $0.20 / $0.50 per million input/output tokens, against $0.40 / $1.20 for Qwen Plus.
- Qwen Plus accepts more context: 1M tokens versus 128K.

## Snapshot

| | Grok 4.1 Fast | Qwen Plus |
|---|---|---|
| Provider | xAI | Alibaba (Qwen) |
| Noometry Index | 40.9 | 36.7 |
| Rank | 131 | 204 |
| Context | 128K | 1M |
| Input $/M | $0.20 | $0.40 |
| Output $/M | $0.50 | $1.20 |
| Weights | Proprietary | Proprietary |

## Coding

- Grok 4.1 Fast: 33.8 (#236)
- Qwen Plus: 38.3 (#163)

| Benchmark | Grok 4.1 Fast | Qwen Plus |
|---|---|---|
| LMArena Coding | 1411 | 1328 |
| LMArena WebDev | 1241 | — |
| ALE-Bench | 394.93 | — |

## Agentic & Tool Use

- Grok 4.1 Fast: 36.1 (#35)
- Qwen Plus: —

| Benchmark | Grok 4.1 Fast | Qwen Plus |
|---|---|---|
| Berkeley Function Calling Leaderboard | 69.6% | — |
| τ²-bench Banking | 13.1% | — |
| LMArena Search | 1171 | — |
| Vending-Bench 2 | 1,107 | — |

## Reasoning

- Grok 4.1 Fast: 42.3 (#45)
- Qwen Plus: 27.6 (#101)

| Benchmark | Grok 4.1 Fast | Qwen Plus |
|---|---|---|
| LMArena Hard Prompts | 1407 | 1317 |
| DTBench | 87.7% | 81.1% |
| SimpleBench | 56% | — |
| Kagi LLM Benchmark | — | 63.3% |
| NYT Connections (extended) | 87.4% | — |
| LMCA | — | 24% |
| ForecastBench | 61 | — |

## Math

- Grok 4.1 Fast: 30.9 (#201)
- Qwen Plus: 22.0 (#266)

| Benchmark | Grok 4.1 Fast | Qwen Plus |
|---|---|---|
| LMArena Math | 1408 | 1326 |
| MathArena Final-Answer Competitions | 60.9% | — |
| OTIS Mock AIME 2024-2025 | — | 17.8% |
| ProofBench | 4% | — |
| MATH Level 5 | — | 65.3% |
| FrontierMath (Feb 2025 set) | — | 1.7% |

## Knowledge

- Grok 4.1 Fast: 32.6 (#203)
- Qwen Plus: 27.4 (#245)

| Benchmark | Grok 4.1 Fast | Qwen Plus |
|---|---|---|
| LMArena Expert | 1398 | 1328 |
| GPQA Diamond | — | 48.1% |
| Vectara Hallucination Rate | 17.8% | — |

## Multimodal

- Grok 4.1 Fast: 36.3 (#71)
- Qwen Plus: —

| Benchmark | Grok 4.1 Fast | Qwen Plus |
|---|---|---|
| LMArena Vision | 1201 | — |

## Multilingual

- Grok 4.1 Fast: 51.1 (#110)
- Qwen Plus: 45.3 (#170)

| Benchmark | Grok 4.1 Fast | Qwen Plus |
|---|---|---|
| LMArena Non-English | 1391 | 1310 |
| LMArena Chinese | 1441 | 1347 |
| LMArena Japanese | 1347 | 1251 |
| LMArena Russian | 1387 | 1323 |
| LMArena French | 1416 | — |
| LMArena German | 1404 | — |
| LMArena Korean | 1361 | — |
| LMArena Spanish | 1411 | — |

## Instruction Following

- Grok 4.1 Fast: 72.8 (#127)
- Qwen Plus: 69.0 (#176)

| Benchmark | Grok 4.1 Fast | Qwen Plus |
|---|---|---|
| LMArena Instruction Following | 1376 | 1303 |

## Long Context

- Grok 4.1 Fast: 42.4 (#121)
- Qwen Plus: 40.3 (#153)

| Benchmark | Grok 4.1 Fast | Qwen Plus |
|---|---|---|
| LMArena Longer Query | 1390 | 1325 |

## Writing & Preference

- Grok 4.1 Fast: 57.4 (#126)
- Qwen Plus: 52.4 (#171)

| Benchmark | Grok 4.1 Fast | Qwen Plus |
|---|---|---|
| LMArena Text | 1408 | 1326 |
| LMArena Creative Writing | 1394 | 1293 |
| LMArena Multi-Turn | 1389 | 1336 |
| EQ-Bench Creative Writing | 1327 | — |

## FAQ

### Is Grok 4.1 Fast better than Qwen Plus?

Grok 4.1 Fast is the stronger model overall, scoring 40.9 to 36.7 on the Noometry Index.

### Which is cheaper, Grok 4.1 Fast or Qwen Plus?

Grok 4.1 Fast is cheaper. It lists at $0.20 per million input tokens and $0.50 per million output tokens; Qwen Plus lists at $0.40 and $1.20.

### Is Grok 4.1 Fast or Qwen Plus better for coding?

Qwen Plus scores higher on coding benchmarks: 38.3 versus 33.8 in the Noometry coding category.

### Which has the bigger context window?

Qwen Plus does, with 1M tokens against 128K.

### How many benchmarks do Grok 4.1 Fast and Qwen Plus share?

14 benchmarks have published results for both models. Grok 4.1 Fast has 32 scored results on Noometry and Qwen Plus has 20.