# Chatgpt 4o Latest 20250326 vs Qwen3.5 Plus

> Chatgpt 4o Latest 20250326 and Qwen3.5 Plus score almost the same on the Noometry Index (43.2 vs 42.3), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/chatgpt-4o-vs-qwen3-5-plus
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where Qwen3.5 Plus leads 47.9 to 35.8.

## Snapshot

| | Chatgpt 4o Latest 20250326 | Qwen3.5 Plus |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 43.2 | 42.3 |
| Rank | 84 | 103 |
| Context | — | 1M |
| Input $/M | — | $0.40 |
| Output $/M | — | $2.40 |
| Weights | Proprietary | Proprietary |

## Coding

- Chatgpt 4o Latest 20250326: 41.0 (#122)
- Qwen3.5 Plus: —

| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5 Plus |
|---|---|---|
| LMArena Coding | 1413 | — |
| ALE-Bench | — | 621.92 |

## Agentic & Tool Use

- Chatgpt 4o Latest 20250326: —
- Qwen3.5 Plus: —

| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5 Plus |
|---|---|---|
| Vending-Bench 2 | — | 0.54 |

## Reasoning

- Chatgpt 4o Latest 20250326: 32.8 (#64)
- Qwen3.5 Plus: 32.0 (#67)

| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5 Plus |
|---|---|---|
| Kagi LLM Benchmark | 75% | — |
| Chess Puzzles | — | 22% |
| LMArena Hard Prompts | 1424 | — |
| Mystery Game Puzzles | — | 17% |
| DTBench | — | 80.5% |
| LMCA | — | 36.4% |
| Epoch Capabilities Index | — | 146.79 |

## Math

- Chatgpt 4o Latest 20250326: 35.8 (#134)
- Qwen3.5 Plus: 47.9 (#55)

| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 86.7% |
| LMArena Math | 1407 | — |
| FrontierMath (Feb 2025 set) | — | 21% |
| FrontierMath Tier 4 (v1) | — | 2.1% |

## Knowledge

- Chatgpt 4o Latest 20250326: 38.7 (#131)
- Qwen3.5 Plus: 46.0 (#78)

| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5 Plus |
|---|---|---|
| GPQA Diamond | — | 84.8% |
| SimpleQA Verified | — | 25.4% |
| Confabulations | 16.6% | — |
| Vectara Hallucination Rate | — | 10.7% |
| LMArena Expert | 1400 | — |

## Multimodal

- Chatgpt 4o Latest 20250326: 38.9 (#54)
- Qwen3.5 Plus: —

| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5 Plus |
|---|---|---|
| LMArena Vision | 1243 | — |

## Multilingual

- Chatgpt 4o Latest 20250326: 53.1 (#72)
- Qwen3.5 Plus: —

| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5 Plus |
|---|---|---|
| LMArena Non-English | 1419 | — |
| LMArena Chinese | 1456 | — |
| LMArena French | 1447 | — |
| LMArena German | 1424 | — |
| LMArena Japanese | 1406 | — |
| LMArena Korean | 1397 | — |
| LMArena Russian | 1429 | — |
| LMArena Spanish | 1435 | — |

## Instruction Following

- Chatgpt 4o Latest 20250326: 74.2 (#102)
- Qwen3.5 Plus: —

| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5 Plus |
|---|---|---|
| LMArena Instruction Following | 1403 | — |

## Long Context

- Chatgpt 4o Latest 20250326: 43.1 (#104)
- Qwen3.5 Plus: 42.9 (#109)

| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5 Plus |
|---|---|---|
| CL-bench | — | 19.8% |
| CL-bench Life | — | 12.4% |
| LMArena Longer Query | 1413 | — |

## Writing & Preference

- Chatgpt 4o Latest 20250326: 62.8 (#68)
- Qwen3.5 Plus: —

| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5 Plus |
|---|---|---|
| LMArena Text | 1429 | — |
| LMArena Creative Writing | 1406 | — |
| EQ-Bench Creative Writing | 1501 | — |
| LMArena Multi-Turn | 1454 | — |

## FAQ

### Is Chatgpt 4o Latest 20250326 better than Qwen3.5 Plus?

Chatgpt 4o Latest 20250326 and Qwen3.5 Plus score almost the same on the Noometry Index (43.2 vs 42.3), so choose on price, context window or the category you care about most.

### How many benchmarks do Chatgpt 4o Latest 20250326 and Qwen3.5 Plus share?

0 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and Qwen3.5 Plus has 15.