Alibaba (Qwen), open weights

# Qwen3.5-4B

> Qwen3.5-4B by Alibaba (Qwen), released February 2026. 1 published benchmark result. Scores, sources and comparisons.
- Canonical page: https://noometry.com/models/qwen3-5-4b
- Last updated: 2026-10-10
- Title: Qwen3.5-4B Benchmarks, Price & Rank (October 2026)

Qwen3.5-4B by Alibaba (Qwen) has 1 published benchmark result on Noometry, not yet enough to be ranked.

Last verified October 10, 2026

## Specifications

- **Noometry rank:** Unranked
- **Index score:** Not ranked
- **Evidence:** Sparse 1 results
- **Provider:** [![](/logos/alibaba.svg) Alibaba (Qwen)](https://noometry.com/providers/alibaba)
- **Released:** February 24, 2026
- **Weights:** Open weights
- **Reasoning:** Unknown
- **Context window:** —
- **Max output:** —
- **Input price:** Not listed
- **Output price:** Not listed
- **Blended price:** Not listed
- **Output speed:** Not measured
- **Value:** Not ranked
- **Knowledge cutoff:** Unknown

## Category scores

Each category score combines every public result we have in that category.

Qwen3.5-4B category scores

1.  Math 34.8
2.  34.634.8

Qwen3.5-4B category ranks
| Category | Score | Rank | Results |
| --- | --- | --- | --- |
| [Math](https://noometry.com/best/math) | 34.8 | — | 1 |

Sponsored placements are available on pages like this one. [Advertise on Noometry](https://noometry.com/advertise)

## Benchmark results

Every published result we track, with its source. Bold rows are the ones used for ranking; where several exist we prefer independent runs over self-reported numbers.

### Math

Qwen3.5-4B Math benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [OTIS Mock AIME 2024-2025](https://noometry.com/benchmarks/otis-mock-aime) | 55.8% | #108 of 173, top 63% | none | [Epoch AI](https://epoch.ai/benchmarks) | 2026-08-28 |

## Compare Qwen3.5-4B

-   [Qwen3.5-4B vs Qwen3.5 122B-A10B](https://noometry.com/compare/qwen3-5-122b-a10b-vs-qwen3-5-4b)
-   [Qwen3.5-4B vs GPT-6 Astra](https://noometry.com/compare/gpt-6-astra-vs-qwen3-5-4b)
-   [Qwen3.5-4B vs Claude Fable 5.1](https://noometry.com/compare/claude-fable-5-1-vs-qwen3-5-4b)
-   [Qwen3.5-4B vs Claude Opus 5.5](https://noometry.com/compare/claude-opus-5-5-vs-qwen3-5-4b)
-   [Qwen3.5-4B vs Claude Opus 5](https://noometry.com/compare/claude-opus-5-vs-qwen3-5-4b)
-   [Qwen3.5-4B vs Claude Fable 5](https://noometry.com/compare/claude-fable-5-vs-qwen3-5-4b)
-   [Qwen3.5-4B vs GPT-6.1 Sol](https://noometry.com/compare/gpt-6-1-sol-vs-qwen3-5-4b)
-   [Qwen3.5-4B vs Gemini 3.8 Flash](https://noometry.com/compare/gemini-3-8-flash-vs-qwen3-5-4b)
-   [Qwen3.5-4B vs Kimi K3](https://noometry.com/compare/kimi-k3-vs-qwen3-5-4b)
-   [Qwen3.5-4B vs Grok 4.6](https://noometry.com/compare/grok-4-6-vs-qwen3-5-4b)
-   [Qwen3.5-4B vs GLM-5.3](https://noometry.com/compare/glm-5-3-vs-qwen3-5-4b)
-   [Qwen3.5-4B vs Muse Spark 1.3](https://noometry.com/compare/muse-spark-1-3-vs-qwen3-5-4b)
-   [Qwen3.5-4B vs DeepSeek V4 Pro](https://noometry.com/compare/deepseek-v4-pro-vs-qwen3-5-4b)
-   [Qwen3.5-4B vs MiMo-V2.6-Pro](https://noometry.com/compare/mimo-v2-6-pro-vs-qwen3-5-4b)

## Other Alibaba (Qwen) models

-   [Qwen3.8 Max](https://noometry.com/models/qwen3-8-max)56.8
-   [Qwen3.7 Max](https://noometry.com/models/qwen3-7-max)51.5
-   [Qwen3.6 Max Preview](https://noometry.com/models/qwen3-6-max-preview)51.5
-   [Qwen3.6 Plus](https://noometry.com/models/qwen3-6-plus)47.5
-   [Qwen3.5 397B-A17B](https://noometry.com/models/qwen3-5-397b-a17b)46.0
-   [Qwen3.8 27B](https://noometry.com/models/qwen3-8-27b)46.0
-   [Qwen3.5 Max Preview](https://noometry.com/models/qwen3-5-max-preview)45.3
-   [Qwen3.7 Plus](https://noometry.com/models/qwen3-7-plus)45.3

## Frequently asked questions

### How good is Qwen3.5-4B?

Qwen3.5-4B by Alibaba (Qwen) has 1 published benchmark result on Noometry, not yet enough to be ranked.

### Is Qwen3.5-4B open source?

Yes. Qwen3.5-4B's weights are downloadable; check the license for commercial terms.

### Cite this page

Noometry. (2026). Qwen3.5-4B benchmarks and pricing. Retrieved October 10, 2026, from https://noometry.com/models/qwen3-5-4b

Quote Noometry with a link back to this page. It is also available in [Markdown](https://noometry.com/md/models/qwen3-5-4b.md).