Alibaba (Qwen), open weights

# Qwen1.5 4b Chat

> Qwen1.5 4b Chat by Alibaba (Qwen). Ranked #322 of 354 with a Noometry Index of 28.8. Scores, sources and comparisons.
- Canonical page: https://noometry.com/models/qwen1-5-4b-chat
- Last updated: 2026-10-10
- Title: Qwen1.5 4b Chat Benchmarks, Price & Rank (October 2026)

Qwen1.5 4b Chat by Alibaba (Qwen) ranks 322nd of 354 ranked models on the Noometry Index as of October 2026, with a score of 28.8. Its strongest category is math, where it ranks 234th.

Last verified October 10, 2026

## Specifications

- **Noometry rank:** #322 of 354
- **Index score:** 28.8
- **Evidence:** Confirmed 13 results
- **Provider:** [![](/logos/alibaba.svg) Alibaba (Qwen)](https://noometry.com/providers/alibaba)
- **Released:** Unknown
- **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.

Qwen1.5 4b Chat category scores

1.  Coding 29.1
2.  Reasoning 18.5
3.  Math 30.4
4.  Knowledge 26.7
5.  Multilingual 24.1
6.  Instruction Following 49.0
7.  Long Context 30.1
8.  Writing & Preference 23.8
9.  0204060

Qwen1.5 4b Chat category ranks
| Category | Score | Rank | Results |
| --- | --- | --- | --- |
| [Coding](https://noometry.com/best/coding) | 29.1 | #308 | 1 |
| [Reasoning](https://noometry.com/best/reasoning) | 18.5 | #279 | 1 |
| [Math](https://noometry.com/best/math) | 30.4 | #234 | 1 |
| [Knowledge](https://noometry.com/best/knowledge) | 26.7 | #255 | 1 |
| [Multilingual](https://noometry.com/best/multilingual) | 24.1 | #290 | 1 |
| [Instruction Following](https://noometry.com/best/instruction-following) | 49.0 | #300 | 1 |
| [Long Context](https://noometry.com/best/long-context) | 30.1 | #290 | 1 |
| [Writing & Preference](https://noometry.com/best/writing) | 23.8 | #309 | 3 |

## Strengths and weaknesses

Categories where Qwen1.5 4b Chat places highest and lowest among the models ranked in each, with its score against that category's median.

### Strongest categories

Qwen1.5 4b Chat: strongest categories
| Category | Score | vs median | Rank |
| --- | --- | --- | --- |
| [Math](https://noometry.com/best/math) | 30.4 | −6.2 | #234 of 327, top 72% |
| [Reasoning](https://noometry.com/best/reasoning) | 18.5 | −5.1 | #279 of 350, top 80% |
| [Knowledge](https://noometry.com/best/knowledge) | 26.7 | −10.6 | #255 of 314, top 82% |

### Weakest categories

Qwen1.5 4b Chat: weakest categories
| Category | Score | vs median | Rank |
| --- | --- | --- | --- |
| [Writing & Preference](https://noometry.com/best/writing) | 23.8 | −30.0 | #309 of 312, top 100% |
| [Instruction Following](https://noometry.com/best/instruction-following) | 49.0 | −22.3 | #300 of 305, top 99% |
| [Long Context](https://noometry.com/best/long-context) | 30.1 | −10.8 | #290 of 296, top 98% |

## Closest competitors

The models ranked just above and below Qwen1.5 4b Chat. When scores are this close, price and speed are often the better way to choose.

Models ranked closest to Qwen1.5 4b Chat
| Model | Rank | Score | Blended $/M | Speed |  |
| --- | --- | --- | --- | --- | --- |
| [Granite 4.0 Micro](https://noometry.com/models/granite-4-0-micro) | #318 | 29.0 | $0.0408 | — | [Compare](https://noometry.com/compare/granite-4-0-micro-vs-qwen1-5-4b-chat) |
| [Claude 3 Sonnet](https://noometry.com/models/claude-3-sonnet) | #319 | 29.0 | — | — | [Compare](https://noometry.com/compare/claude-3-sonnet-vs-qwen1-5-4b-chat) |
| [Qwen2.5 7B Instruct](https://noometry.com/models/qwen2-5-7b-instruct) | #320 | 29.0 | $0.31 | — | [Compare](https://noometry.com/compare/qwen1-5-4b-chat-vs-qwen2-5-7b-instruct) |
| [Llama 3.2 3B](https://noometry.com/models/llama-3-2-3b) | #321 | 28.9 | $0.12 | — | [Compare](https://noometry.com/compare/llama-3-2-3b-vs-qwen1-5-4b-chat) |
| [Llama 3-70B](https://noometry.com/models/llama-3-70b) | #323 | 28.8 | — | 104 | [Compare](https://noometry.com/compare/llama-3-70b-vs-qwen1-5-4b-chat) |
| [GPT-4o](https://noometry.com/models/gpt-4o) | #324 | 28.6 | $4.38 | — | [Compare](https://noometry.com/compare/gpt-4o-vs-qwen1-5-4b-chat) |
| [Ministral 8B](https://noometry.com/models/ministral-8b) | #325 | 28.2 | $0.15 | — | [Compare](https://noometry.com/compare/ministral-8b-vs-qwen1-5-4b-chat) |
| [Gemma 3 4B](https://noometry.com/models/gemma-3-4b) | #326 | 28.1 | $0.05 | 72 | [Compare](https://noometry.com/compare/gemma-3-4b-vs-qwen1-5-4b-chat) |

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.

### Coding

Qwen1.5 4b Chat Coding benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [LMArena Coding](https://noometry.com/benchmarks/arena-coding) | 999 | #291 of 294, top 99% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |

### Reasoning

Qwen1.5 4b Chat Reasoning benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [LMArena Hard Prompts](https://noometry.com/benchmarks/arena-hard-prompts) | 976 | #295 of 297, top 100% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |

### Math

Qwen1.5 4b Chat Math benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [LMArena Math](https://noometry.com/benchmarks/arena-math) | 1026 | #280 of 285, top 99% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |

### Knowledge

Qwen1.5 4b Chat Knowledge benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [LMArena Expert](https://noometry.com/benchmarks/arena-expert) | 980 | #272 of 273, top 100% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |

### Multilingual

Qwen1.5 4b Chat Multilingual benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [LMArena Non-English](https://noometry.com/benchmarks/arena-non-english) | 979 | #290 of 297, top 98% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |
| [LMArena Chinese](https://noometry.com/benchmarks/arena-chinese) | 1024 | #270 of 285, top 95% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |
| [LMArena German](https://noometry.com/benchmarks/arena-german) | 902 | #231 of 231, top 100% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |
| [LMArena Russian](https://noometry.com/benchmarks/arena-russian) | 952 | #279 of 283, top 99% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |

### Instruction Following

Qwen1.5 4b Chat Instruction Following benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [LMArena Instruction Following](https://noometry.com/benchmarks/arena-instruction-following) | 978 | #294 of 298, top 99% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |

### Long Context

Qwen1.5 4b Chat Long Context benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [LMArena Longer Query](https://noometry.com/benchmarks/arena-longer-query) | 988 | #290 of 291, top 100% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |

### Writing & Preference

Qwen1.5 4b Chat Writing & Preference benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [LMArena Text](https://noometry.com/benchmarks/arena-text) | 997 | #295 of 297, top 100% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |
| [LMArena Creative Writing](https://noometry.com/benchmarks/arena-creative-writing) | 969 | #293 of 295, top 100% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |
| [LMArena Multi-Turn](https://noometry.com/benchmarks/arena-multi-turn) | 977 | #290 of 295, top 99% |  | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-08 |

## Compare Qwen1.5 4b Chat

-   [Qwen1.5 4b Chat vs Llama 3.2 3B](https://noometry.com/compare/llama-3-2-3b-vs-qwen1-5-4b-chat)
-   [Qwen1.5 4b Chat vs Llama 3-70B](https://noometry.com/compare/llama-3-70b-vs-qwen1-5-4b-chat)
-   [Qwen1.5 4b Chat vs Qwen2.5 7B Instruct](https://noometry.com/compare/qwen1-5-4b-chat-vs-qwen2-5-7b-instruct)
-   [Qwen1.5 4b Chat vs GPT-4o](https://noometry.com/compare/gpt-4o-vs-qwen1-5-4b-chat)
-   [Qwen1.5 4b Chat vs Claude 3 Sonnet](https://noometry.com/compare/claude-3-sonnet-vs-qwen1-5-4b-chat)
-   [Qwen1.5 4b Chat vs Ministral 8B](https://noometry.com/compare/ministral-8b-vs-qwen1-5-4b-chat)
-   [Qwen1.5 4b Chat vs GPT-6 Astra](https://noometry.com/compare/gpt-6-astra-vs-qwen1-5-4b-chat)
-   [Qwen1.5 4b Chat vs Claude Fable 5.1](https://noometry.com/compare/claude-fable-5-1-vs-qwen1-5-4b-chat)
-   [Qwen1.5 4b Chat vs Gemini 3.8 Flash](https://noometry.com/compare/gemini-3-8-flash-vs-qwen1-5-4b-chat)
-   [Qwen1.5 4b Chat vs Kimi K3](https://noometry.com/compare/kimi-k3-vs-qwen1-5-4b-chat)
-   [Qwen1.5 4b Chat vs Grok 4.6](https://noometry.com/compare/grok-4-6-vs-qwen1-5-4b-chat)
-   [Qwen1.5 4b Chat vs GLM-5.3](https://noometry.com/compare/glm-5-3-vs-qwen1-5-4b-chat)
-   [Qwen1.5 4b Chat vs Muse Spark 1.3](https://noometry.com/compare/muse-spark-1-3-vs-qwen1-5-4b-chat)
-   [Qwen1.5 4b Chat vs DeepSeek V4 Pro](https://noometry.com/compare/deepseek-v4-pro-vs-qwen1-5-4b-chat)

## 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 Qwen1.5 4b Chat?

Qwen1.5 4b Chat by Alibaba (Qwen) ranks 322nd of 354 ranked models on the Noometry Index as of October 2026, with a score of 28.8. Its strongest category is math, where it ranks 234th.

### Is Qwen1.5 4b Chat open source?

Yes. Qwen1.5 4b Chat's weights are downloadable; check the license for commercial terms.

### What are Qwen1.5 4b Chat's strengths and weaknesses?

Relative to other ranked models, Qwen1.5 4b Chat places best in math, reasoning, knowledge and lowest in writing & preference, instruction following, long context.

### What is Qwen1.5 4b Chat best at?

Its best category is math, where it ranks 234th on Noometry.

### Cite this page

Noometry. (2026). Qwen1.5 4b Chat benchmarks and pricing. Retrieved October 10, 2026, from https://noometry.com/models/qwen1-5-4b-chat

Quote Noometry with a link back to this page. It is also available in [Markdown](https://noometry.com/md/models/qwen1-5-4b-chat.md).