# Grok 3 vs Qwen3.5 Plus

> Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 39.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-3-vs-qwen3-5-plus
- Last updated: 2026-10-11
- Shared benchmarks: 6

## Summary

- They share 6 benchmarks with published results for both. Grok 3 scores higher in 1 category and Qwen3.5 Plus in 3 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Qwen3.5 Plus leads 32.8 to 13.7.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 55.6% for Grok 3 and 86.7% for Qwen3.5 Plus.

## Snapshot

| | Grok 3 | Qwen3.5 Plus |
|---|---|---|
| Provider | xAI | Alibaba (Qwen) |
| Noometry Index | 39.9 | 42.9 |
| Rank | 157 | 106 |
| Context | — | 1M |
| Input $/M | — | $0.40 |
| Output $/M | — | $2.40 |
| Weights | Proprietary | Proprietary |

## Coding

- Grok 3: 41.9 (#115)
- Qwen3.5 Plus: —

| Benchmark | Grok 3 | Qwen3.5 Plus |
|---|---|---|
| Aider Polyglot | 53.3% | — |
| WeirdML | 37.2% | — |
| LMArena Coding | 1432 | — |
| ALE-Bench | — | 621.92 |

## Agentic & Tool Use

- Grok 3: 30.5 (#76)
- Qwen3.5 Plus: —

| Benchmark | Grok 3 | Qwen3.5 Plus |
|---|---|---|
| BALROG | 29.5% | — |
| Vending-Bench 2 | — | 0.54 |

## Reasoning

- Grok 3: 13.7 (#333)
- Qwen3.5 Plus: 32.8 (#74)

| Benchmark | Grok 3 | Qwen3.5 Plus |
|---|---|---|
| Epoch Capabilities Index | 138.33 | 146.78 |
| ARC-AGI-2 | 0% | — |
| SimpleBench | 36.1% | — |
| Kagi LLM Benchmark | 61.3% | — |
| ARC-AGI-1 | 5.5% | — |
| Chess Puzzles | — | 22% |
| LMArena Hard Prompts | 1434 | — |
| Mystery Game Puzzles | — | 17% |
| DTBench | — | 80.5% |
| LMCA | — | 36.4% |

## Math

- Grok 3: 38.0 (#145)
- Qwen3.5 Plus: 49.6 (#61)

| Benchmark | Grok 3 | Qwen3.5 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 55.6% | 86.7% |
| FrontierMath (Feb 2025 set) | 3.8% | 21% |
| FrontierMath Tier 4 (v1) | 0% | 2.1% |
| Omni-MATH | 46.4% | — |
| LMArena Math | 1391 | — |
| MATH Level 5 | 88.7% | — |

## Knowledge

- Grok 3: 46.2 (#82)
- Qwen3.5 Plus: 46.0 (#83)

| Benchmark | Grok 3 | Qwen3.5 Plus |
|---|---|---|
| GPQA Diamond | 75.8% | 84.8% |
| Vectara Hallucination Rate | 5.8% | 10.7% |
| SimpleQA Verified | — | 25.4% |
| MMLU-Pro | 78.8% | — |
| Confabulations | 14.2% | — |
| GPQA (HELM) | 65% | — |
| LMArena Expert | 1421 | — |

## Multilingual

- Grok 3: 52.3 (#87)
- Qwen3.5 Plus: —

| Benchmark | Grok 3 | Qwen3.5 Plus |
|---|---|---|
| LMArena Non-English | 1410 | — |
| LMArena Chinese | 1448 | — |
| LMArena French | 1460 | — |
| LMArena German | 1431 | — |
| LMArena Japanese | 1387 | — |
| LMArena Korean | 1373 | — |
| LMArena Russian | 1416 | — |
| LMArena Spanish | 1417 | — |

## Instruction Following

- Grok 3: 75.0 (#73)
- Qwen3.5 Plus: —

| Benchmark | Grok 3 | Qwen3.5 Plus |
|---|---|---|
| IFEval | 88.4% | — |
| LMArena Instruction Following | 1409 | — |

## Long Context

- Grok 3: 38.7 (#192)
- Qwen3.5 Plus: 43.0 (#113)

| Benchmark | Grok 3 | Qwen3.5 Plus |
|---|---|---|
| Fiction.LiveBench | 58.3% | — |
| CL-bench | — | 19.8% |
| CL-bench Life | — | 12.4% |
| LMArena Longer Query | 1439 | — |

## Writing & Preference

- Grok 3: 55.8 (#141)
- Qwen3.5 Plus: —

| Benchmark | Grok 3 | Qwen3.5 Plus |
|---|---|---|
| LMArena Text | 1426 | — |
| LMArena Creative Writing | 1414 | — |
| Short-Story Creative Writing | 76.4% | — |
| EQ-Bench Creative Writing | 1186 | — |
| WildBench | 84.9% | — |
| LMArena Multi-Turn | 1425 | — |

## FAQ

### Is Grok 3 better than Qwen3.5 Plus?

Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 39.9 on the Noometry Index.

### How many benchmarks do Grok 3 and Qwen3.5 Plus share?

6 benchmarks have published results for both models. Grok 3 has 40 scored results on Noometry and Qwen3.5 Plus has 15.