Instructions to use HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive with libraries, inference providers, notebooks, and local apps. Follow these links to get started.

Libraries

How to use HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive with llama-cpp-python:

# !pip install llama-cpp-python

from llama_cpp import Llama

llm = Llama.from_pretrained(
	repo_id="HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive",
	filename="Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive-FP16.gguf",
)

llm.create_chat_completion(
	messages = "No input example has been defined for this model task."
)

Notebooks
Google Colab
Kaggle
Local Apps

llama.cpp

How to use HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive with llama.cpp:

Install from brew

brew install llama.cpp
# Start a local OpenAI-compatible server with a web UI:
llama-server -hf HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive:Q4_K_M
# Run inference directly in the terminal:
llama-cli -hf HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive:Q4_K_M

Install from WinGet (Windows)

winget install llama.cpp
# Start a local OpenAI-compatible server with a web UI:
llama-server -hf HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive:Q4_K_M
# Run inference directly in the terminal:
llama-cli -hf HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive:Q4_K_M

Use pre-built binary

# Download pre-built binary from:
# https://github.com/ggerganov/llama.cpp/releases
# Start a local OpenAI-compatible server with a web UI:
./llama-server -hf HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive:Q4_K_M
# Run inference directly in the terminal:
./llama-cli -hf HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive:Q4_K_M

Build from source code

git clone https://github.com/ggerganov/llama.cpp.git
cd llama.cpp
cmake -B build
cmake --build build -j --target llama-server llama-cli
# Start a local OpenAI-compatible server with a web UI:
./build/bin/llama-server -hf HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive:Q4_K_M
# Run inference directly in the terminal:
./build/bin/llama-cli -hf HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive:Q4_K_M

Use Docker

docker model run hf.co/HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive:Q4_K_M

LM Studio
Jan
Ollama
How to use HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive with Ollama:
```
ollama run hf.co/HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive:Q4_K_M
```

Unsloth Studio

How to use HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive with Unsloth Studio:

Install Unsloth Studio (macOS, Linux, WSL)

curl -fsSL https://unsloth.ai/install.sh | sh
# Run unsloth studio
unsloth studio -H 0.0.0.0 -p 8888
# Then open http://localhost:8888 in your browser
# Search for HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive to start chatting

Install Unsloth Studio (Windows)

irm https://unsloth.ai/install.ps1 | iex
# Run unsloth studio
unsloth studio -H 0.0.0.0 -p 8888
# Then open http://localhost:8888 in your browser
# Search for HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive to start chatting

Using HuggingFace Spaces for Unsloth

# No setup required
# Open https://huggingface.co/spaces/unsloth/studio in your browser
# Search for HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive to start chatting

How to use HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive with Pi:

Start the llama.cpp server

# Install llama.cpp:
brew install llama.cpp
# Start a local OpenAI-compatible server:
llama-server -hf HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive:Q4_K_M

Configure the model in Pi

# Install Pi:
npm install -g @mariozechner/pi-coding-agent
# Add to ~/.pi/agent/models.json:
{
  "providers": {
    "llama-cpp": {
      "baseUrl": "http://localhost:8080/v1",
      "api": "openai-completions",
      "apiKey": "none",
      "models": [
        {
          "id": "HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive:Q4_K_M"
        }
      ]
    }
  }
}

Run Pi

# Start Pi in your project directory:
pi

Hermes Agent new

How to use HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive with Hermes Agent:

Start the llama.cpp server

# Install llama.cpp:
brew install llama.cpp
# Start a local OpenAI-compatible server:
llama-server -hf HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive:Q4_K_M

Configure Hermes

# Install Hermes:
curl -fsSL https://hermes-agent.nousresearch.com/install.sh | bash
hermes setup
# Point Hermes at the local server:
hermes config set model.provider custom
hermes config set model.base_url http://127.0.0.1:8080/v1
hermes config set model.default HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive:Q4_K_M

Run Hermes

hermes

Docker Model Runner
How to use HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive with Docker Model Runner:
```
docker model run hf.co/HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive:Q4_K_M
```

Lemonade

How to use HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive with Lemonade:

Pull the model

# Download Lemonade from https://lemonade-server.ai/
lemonade pull HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive:Q4_K_M

Run and chat with the model

lemonade run user.Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive-Q4_K_M

List all available models

lemonade list

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

Join the Discord 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

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.

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

Downloads last month: 5,257

GGUF

Model size

4B params

Architecture

qwen3

Hardware compatibility

4-bit

6-bit

8-bit

View +1 variant

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Model tree for HauhauCS/Qwen3-4B-2507-Instruct-Uncensored-HauhauCS-Aggressive

Base model

Qwen/Qwen3-4B-Instruct-2507

Quantized

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