# GPT-4 vs Qwen3.5 Plus

> Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 29.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-4-vs-qwen3-5-plus
- Last updated: 2026-10-11
- Shared benchmarks: 7

## Summary

- They share 7 benchmarks with published results for both. GPT-4 scores higher in 0 categories and Qwen3.5 Plus in 4 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in math, where Qwen3.5 Plus leads 49.6 to 10.8.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 1.1% for GPT-4 and 86.7% for Qwen3.5 Plus.
- Qwen3.5 Plus is cheaper at $0.40 / $2.40 per million input/output tokens, against $30 / $60 for GPT-4.
- Qwen3.5 Plus accepts more context: 1M tokens versus 8K.

## Snapshot

| | GPT-4 | Qwen3.5 Plus |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 29.1 | 42.9 |
| Rank | 316 | 106 |
| Context | 8K | 1M |
| Input $/M | $30 | $0.40 |
| Output $/M | $60 | $2.40 |
| Weights | Proprietary | Proprietary |

## Coding

- GPT-4: 31.6 (#283)
- Qwen3.5 Plus: —

| Benchmark | GPT-4 | Qwen3.5 Plus |
|---|---|---|
| WeirdML | 12.4% | — |
| BigCodeBench Instruct | 46% | — |
| LMArena Coding | 1254 | — |
| BigCodeBench Complete | 57.2% | — |
| ALE-Bench | — | 621.92 |
| HumanEval+ | 79.3% | — |

## Agentic & Tool Use

- GPT-4: —
- Qwen3.5 Plus: —

| Benchmark | GPT-4 | Qwen3.5 Plus |
|---|---|---|
| METR Time Horizons | 36.1% | — |
| Vending-Bench 2 | — | 0.54 |

## Reasoning

- GPT-4: 17.8 (#289)
- Qwen3.5 Plus: 32.8 (#74)

| Benchmark | GPT-4 | Qwen3.5 Plus |
|---|---|---|
| Chess Puzzles | 4% | 22% |
| Mystery Game Puzzles | 12% | 17% |
| DTBench | 62.7% | 80.5% |
| LMCA | 17.1% | 36.4% |
| Epoch Capabilities Index | 125.89 | 146.78 |
| LMArena Hard Prompts | 1241 | — |
| BIG-Bench Hard | 75.1% | — |
| ForecastBench | 57.8 | — |
| HellaSwag | 95.3% | — |
| WinoGrande | 87.5% | — |

## Math

- GPT-4: 10.8 (#309)
- Qwen3.5 Plus: 49.6 (#61)

| Benchmark | GPT-4 | Qwen3.5 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.1% | 86.7% |
| LMArena Math | 1269 | — |
| MATH Level 5 | 23% | — |
| FrontierMath (Feb 2025 set) | — | 21% |
| FrontierMath Tier 4 (v1) | — | 2.1% |
| GSM8K | 92% | — |

## Knowledge

- GPT-4: 18.4 (#282)
- Qwen3.5 Plus: 46.0 (#83)

| Benchmark | GPT-4 | Qwen3.5 Plus |
|---|---|---|
| GPQA Diamond | 35.7% | 84.8% |
| SimpleQA Verified | — | 25.4% |
| Vectara Hallucination Rate | — | 10.7% |
| LMArena Expert | 1211 | — |
| MMLU | 86.4% | — |
| TriviaQA | 84.8% | — |

## Multilingual

- GPT-4: 40.6 (#215)
- Qwen3.5 Plus: —

| Benchmark | GPT-4 | Qwen3.5 Plus |
|---|---|---|
| LMArena Non-English | 1246 | — |
| LMArena Chinese | 1242 | — |
| LMArena French | 1283 | — |
| LMArena German | 1251 | — |
| LMArena Japanese | 1209 | — |
| LMArena Korean | 1184 | — |
| LMArena Russian | 1251 | — |
| LMArena Spanish | 1261 | — |

## Instruction Following

- GPT-4: 65.3 (#222)
- Qwen3.5 Plus: —

| Benchmark | GPT-4 | Qwen3.5 Plus |
|---|---|---|
| LMArena Instruction Following | 1241 | — |

## Long Context

- GPT-4: 37.7 (#212)
- Qwen3.5 Plus: 43.0 (#113)

| Benchmark | GPT-4 | Qwen3.5 Plus |
|---|---|---|
| CL-bench | — | 19.8% |
| CL-bench Life | — | 12.4% |
| LMArena Longer Query | 1244 | — |

## Writing & Preference

- GPT-4: 34.9 (#268)
- Qwen3.5 Plus: —

| Benchmark | GPT-4 | Qwen3.5 Plus |
|---|---|---|
| LMArena Text | 1263 | — |
| LMArena Creative Writing | 1244 | — |
| EQ-Bench Creative Writing | 752 | — |
| LMArena Multi-Turn | 1257 | — |

## FAQ

### Is GPT-4 better than Qwen3.5 Plus?

Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 29.1 on the Noometry Index.

### Which is cheaper, GPT-4 or Qwen3.5 Plus?

Qwen3.5 Plus is cheaper. It lists at $0.40 per million input tokens and $2.40 per million output tokens; GPT-4 lists at $30 and $60.

### Which has the bigger context window?

Qwen3.5 Plus does, with 1M tokens against 8K.

### How many benchmarks do GPT-4 and Qwen3.5 Plus share?

7 benchmarks have published results for both models. GPT-4 has 38 scored results on Noometry and Qwen3.5 Plus has 15.