---
license: apache-2.0
tags:
  - uncensored
  - qwen3
language:
  - en
  - zh
base_model: Qwen/Qwen3-4B-Instruct-2507
---

# Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive

> **[Join the Discord](https://discord.gg/SZ5vacTXYf)** for updates, roadmaps, projects, or just to chat.

Qwen3 4B 2507 Instruct uncensored by HauhauCS.

## About

No changes to datasets or capabilities. Fully functional, 100% of what the original authors intended - just without the refusals.

These are meant to be the best lossless uncensored models out there.

## Aggressive vs Balanced

**Aggressive** applies stronger uncensoring. Use this when you need no refusals.


## Downloads

| File | Quant | Size |
|------|-------|------|
| Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive-FP16.gguf | FP16 | 7.5 GB |
| Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive-Q8_0.gguf | Q8_0 | 4.0 GB |
| Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive-Q6_K.gguf | Q6_K | 3.1 GB |
| Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive-Q4_K_M.gguf | Q4_K_M | 2.4 GB |

## Specs

- 4B parameters (dense)
- 262K context
- Based on [Qwen/Qwen3-4B-Instruct-2507](https://huggingface.co/Qwen/Qwen3-4B-Instruct-2507)

## Recommended Settings

From the Qwen team:

**Thinking mode (default):**
- `temperature=0.6`
- `top_p=0.95`
- `top_k=20`
- `min_p=0`

**Non-thinking mode:**
- Add `/no_think` at the end of your prompt, or
- `temperature=0.7`
- `top_p=0.8`
- `top_k=20`
- `min_p=0`

**Important:**
- Use `--jinja` flag for proper chat template handling
- Thinking mode produces `<think>...</think>` tags before responses

## Usage

Works with llama.cpp, LM Studio, Jan, koboldcpp, Ollama, etc.

```bash
# llama.cpp example
./llama-cli -m Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive-Q4_K_M.gguf \
  -p "Hello" --jinja -c 8192
```