Instructions to use rodrigomt/Jan-v1-2509-GGUF with libraries, inference providers, notebooks, and local apps. Follow these links to get started.

Libraries

How to use rodrigomt/Jan-v1-2509-GGUF with llama-cpp-python:

# !pip install llama-cpp-python

from llama_cpp import Llama

llm = Llama.from_pretrained(
	repo_id="rodrigomt/Jan-v1-2509-GGUF",
	filename="Jan-4.0B-v1-2509-F16.gguf",
)

llm.create_chat_completion(
	messages = [
		{
			"role": "user",
			"content": "What is the capital of France?"
		}
	]
)

Notebooks
Google Colab
Kaggle
Local Apps

llama.cpp

How to use rodrigomt/Jan-v1-2509-GGUF with llama.cpp:

Install from brew

brew install llama.cpp
# Start a local OpenAI-compatible server with a web UI:
llama-server -hf rodrigomt/Jan-v1-2509-GGUF:UD-Q4_K_XL
# Run inference directly in the terminal:
llama-cli -hf rodrigomt/Jan-v1-2509-GGUF:UD-Q4_K_XL

Install from WinGet (Windows)

winget install llama.cpp
# Start a local OpenAI-compatible server with a web UI:
llama-server -hf rodrigomt/Jan-v1-2509-GGUF:UD-Q4_K_XL
# Run inference directly in the terminal:
llama-cli -hf rodrigomt/Jan-v1-2509-GGUF:UD-Q4_K_XL

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 rodrigomt/Jan-v1-2509-GGUF:UD-Q4_K_XL
# Run inference directly in the terminal:
./llama-cli -hf rodrigomt/Jan-v1-2509-GGUF:UD-Q4_K_XL

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 rodrigomt/Jan-v1-2509-GGUF:UD-Q4_K_XL
# Run inference directly in the terminal:
./build/bin/llama-cli -hf rodrigomt/Jan-v1-2509-GGUF:UD-Q4_K_XL

Use Docker

docker model run hf.co/rodrigomt/Jan-v1-2509-GGUF:UD-Q4_K_XL

LM Studio
Jan

vLLM

How to use rodrigomt/Jan-v1-2509-GGUF with vLLM:

Install from pip and serve model

# Install vLLM from pip:
pip install vllm
# Start the vLLM server:
vllm serve "rodrigomt/Jan-v1-2509-GGUF"
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:8000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "rodrigomt/Jan-v1-2509-GGUF",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'

Use Docker

docker model run hf.co/rodrigomt/Jan-v1-2509-GGUF:UD-Q4_K_XL

Ollama
How to use rodrigomt/Jan-v1-2509-GGUF with Ollama:
```
ollama run hf.co/rodrigomt/Jan-v1-2509-GGUF:UD-Q4_K_XL
```

Unsloth Studio new

How to use rodrigomt/Jan-v1-2509-GGUF 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 rodrigomt/Jan-v1-2509-GGUF 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 rodrigomt/Jan-v1-2509-GGUF to start chatting

Using HuggingFace Spaces for Unsloth

# No setup required
# Open https://huggingface.co/spaces/unsloth/studio in your browser
# Search for rodrigomt/Jan-v1-2509-GGUF to start chatting

Pi new

How to use rodrigomt/Jan-v1-2509-GGUF with Pi:

Start the llama.cpp server

# Install llama.cpp:
brew install llama.cpp
# Start a local OpenAI-compatible server:
llama-server -hf rodrigomt/Jan-v1-2509-GGUF:UD-Q4_K_XL

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": "rodrigomt/Jan-v1-2509-GGUF:UD-Q4_K_XL"
        }
      ]
    }
  }
}

Run Pi

# Start Pi in your project directory:
pi

Hermes Agent new

How to use rodrigomt/Jan-v1-2509-GGUF with Hermes Agent:

Start the llama.cpp server

# Install llama.cpp:
brew install llama.cpp
# Start a local OpenAI-compatible server:
llama-server -hf rodrigomt/Jan-v1-2509-GGUF:UD-Q4_K_XL

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 rodrigomt/Jan-v1-2509-GGUF:UD-Q4_K_XL

Run Hermes

hermes

Docker Model Runner
How to use rodrigomt/Jan-v1-2509-GGUF with Docker Model Runner:
```
docker model run hf.co/rodrigomt/Jan-v1-2509-GGUF:UD-Q4_K_XL
```

Lemonade

How to use rodrigomt/Jan-v1-2509-GGUF with Lemonade:

Pull the model

# Download Lemonade from https://lemonade-server.ai/
lemonade pull rodrigomt/Jan-v1-2509-GGUF:UD-Q4_K_XL

Run and chat with the model

lemonade run user.Jan-v1-2509-GGUF-UD-Q4_K_XL

List all available models

lemonade list

🧠 Jan-v1-2509 GGUFs

Quantized version of: janhq/Jan-v1-2509

📦 Available GGUFs

Format	Description
F16	Full precision (16-bit), better quality, larger size ⚖️
Q8_K_XL	Quantized (8-bit XL variant, based on the quantization table of the unsloth model Qwen3-4B-Thinking-2507), medium size, faster inference ⚡
Q4_K_XL	Quantized (4-bit XL variant, based on the quantization table of the unsloth model Qwen3-4B-Thinking-2507), smaller size, faster inference ⚡

🚀 Usage

Example with llama.cpp:

./main -m ./gguf-file-name.gguf -p "Hello world!"

Downloads last month: 43

GGUF

Model size

4B params

Architecture

qwen3

Hardware compatibility

4-bit

8-bit

16-bit

Model tree for rodrigomt/Jan-v1-2509-GGUF

Base model

Qwen/Qwen3-4B-Thinking-2507

Finetuned

janhq/Jan-v1-2509

Quantized

(6)

this model