# GPT-4 Turbo vs Qwen3.5 Plus

> Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 30.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-4-turbo-vs-qwen3-5-plus
- Last updated: 2026-10-10
- Shared benchmarks: 6

## Summary

- They share 6 benchmarks with published results for both. GPT-4 Turbo 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 9.0.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 6.7% for GPT-4 Turbo and 86.7% for Qwen3.5 Plus.
- Qwen3.5 Plus is cheaper at $0.40 / $2.40 per million input/output tokens, against $10 / $30 for GPT-4 Turbo.
- Qwen3.5 Plus accepts more context: 1M tokens versus 128K.

## Snapshot

| | GPT-4 Turbo | Qwen3.5 Plus |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 30.5 | 42.9 |
| Rank | 292 | 106 |
| Context | 128K | 1M |
| Input $/M | $10 | $0.40 |
| Output $/M | $30 | $2.40 |
| Weights | Proprietary | Proprietary |

## Coding

- GPT-4 Turbo: 33.8 (#249)
- Qwen3.5 Plus: —

| Benchmark | GPT-4 Turbo | Qwen3.5 Plus |
|---|---|---|
| WeirdML | 18% | — |
| BigCodeBench Instruct | 48.2% | — |
| LMArena Coding | 1268 | — |
| BigCodeBench Complete | 58.2% | — |
| ALE-Bench | — | 621.92 |
| HumanEval+ | 86.6% | — |
| MBPP+ | 73.3% | — |

## Agentic & Tool Use

- GPT-4 Turbo: —
- Qwen3.5 Plus: —

| Benchmark | GPT-4 Turbo | Qwen3.5 Plus |
|---|---|---|
| METR Time Horizons | 36.7% | — |
| Vending-Bench 2 | — | 0.54 |

## Reasoning

- GPT-4 Turbo: 15.3 (#317)
- Qwen3.5 Plus: 32.8 (#74)

| Benchmark | GPT-4 Turbo | Qwen3.5 Plus |
|---|---|---|
| Chess Puzzles | 6% | 22% |
| DTBench | 61.6% | 80.5% |
| LMCA | 9.8% | 36.4% |
| Epoch Capabilities Index | 127.25 | 146.78 |
| SimpleBench | 25.1% | — |
| LMArena Hard Prompts | 1251 | — |
| Mystery Game Puzzles | — | 17% |
| ForecastBench | 59.4 | — |

## Math

- GPT-4 Turbo: 9.0 (#322)
- Qwen3.5 Plus: 49.6 (#61)

| Benchmark | GPT-4 Turbo | Qwen3.5 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 6.7% | 86.7% |
| FrontierMath (Tiers 1-3) | 0.7% | — |
| LMArena Math | 1272 | — |
| MATH Level 5 | 46.7% | — |
| FrontierMath (Feb 2025 set) | — | 21% |
| FrontierMath Tier 4 (v1) | — | 2.1% |

## Knowledge

- GPT-4 Turbo: 24.3 (#268)
- Qwen3.5 Plus: 46.0 (#83)

| Benchmark | GPT-4 Turbo | Qwen3.5 Plus |
|---|---|---|
| GPQA Diamond | 46.6% | 84.8% |
| SimpleQA Verified | — | 25.4% |
| Confabulations | 28.4% | — |
| Vectara Hallucination Rate | — | 10.7% |
| LMArena Expert | 1223 | — |
| MMLU | 81.3% | — |

## Multimodal

- GPT-4 Turbo: 30.6 (#110)
- Qwen3.5 Plus: —

| Benchmark | GPT-4 Turbo | Qwen3.5 Plus |
|---|---|---|
| LMArena Vision | 1090 | — |

## Multilingual

- GPT-4 Turbo: 40.5 (#216)
- Qwen3.5 Plus: —

| Benchmark | GPT-4 Turbo | Qwen3.5 Plus |
|---|---|---|
| LMArena Non-English | 1245 | — |
| LMArena Chinese | 1242 | — |
| LMArena French | 1276 | — |
| LMArena German | 1259 | — |
| LMArena Japanese | 1194 | — |
| LMArena Korean | 1187 | — |
| LMArena Russian | 1259 | — |
| LMArena Spanish | 1260 | — |

## Instruction Following

- GPT-4 Turbo: 65.8 (#216)
- Qwen3.5 Plus: —

| Benchmark | GPT-4 Turbo | Qwen3.5 Plus |
|---|---|---|
| LMArena Instruction Following | 1249 | — |

## Long Context

- GPT-4 Turbo: 38.0 (#206)
- Qwen3.5 Plus: 43.0 (#113)

| Benchmark | GPT-4 Turbo | Qwen3.5 Plus |
|---|---|---|
| CL-bench | — | 19.8% |
| CL-bench Life | — | 12.4% |
| LMArena Longer Query | 1254 | — |

## Writing & Preference

- GPT-4 Turbo: 47.7 (#206)
- Qwen3.5 Plus: —

| Benchmark | GPT-4 Turbo | Qwen3.5 Plus |
|---|---|---|
| LMArena Text | 1272 | — |
| LMArena Creative Writing | 1269 | — |
| LMArena Multi-Turn | 1267 | — |

## FAQ

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

Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 30.5 on the Noometry Index.

### Which is cheaper, GPT-4 Turbo 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 Turbo lists at $10 and $30.

### Which has the bigger context window?

Qwen3.5 Plus does, with 1M tokens against 128K.

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

6 benchmarks have published results for both models. GPT-4 Turbo has 36 scored results on Noometry and Qwen3.5 Plus has 15.