Zen Eco (open-weight tier)
Collection
Open-weight 'eco' tier โ 4B instruct / thinking / agent. โข 6 items โข Updated
How to use zenlm/zen-eco-4b-instruct with llama.cpp:
curl -LsSf https://llama.app/install.sh | sh # Start a local OpenAI-compatible server with a web UI: llama serve -hf zenlm/zen-eco-4b-instruct:F16 # Run inference directly in the terminal: llama cli -hf zenlm/zen-eco-4b-instruct:F16
winget install llama.cpp # Start a local OpenAI-compatible server with a web UI: llama serve -hf zenlm/zen-eco-4b-instruct:F16 # Run inference directly in the terminal: llama cli -hf zenlm/zen-eco-4b-instruct:F16
# 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 zenlm/zen-eco-4b-instruct:F16 # Run inference directly in the terminal: ./llama-cli -hf zenlm/zen-eco-4b-instruct:F16
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 zenlm/zen-eco-4b-instruct:F16 # Run inference directly in the terminal: ./build/bin/llama-cli -hf zenlm/zen-eco-4b-instruct:F16
docker model run hf.co/zenlm/zen-eco-4b-instruct:F16
How to use zenlm/zen-eco-4b-instruct with vLLM:
# Install vLLM from pip:
pip install vllm
# Start the vLLM server:
vllm serve "zenlm/zen-eco-4b-instruct"
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:8000/v1/chat/completions" \
-H "Content-Type: application/json" \
--data '{
"model": "zenlm/zen-eco-4b-instruct",
"messages": [
{
"role": "user",
"content": "What is the capital of France?"
}
]
}'docker model run hf.co/zenlm/zen-eco-4b-instruct:F16
How to use zenlm/zen-eco-4b-instruct with Ollama:
ollama run hf.co/zenlm/zen-eco-4b-instruct:F16
How to use zenlm/zen-eco-4b-instruct with Pi:
# Install llama.cpp: brew install llama.cpp # Start a local OpenAI-compatible server: llama serve -hf zenlm/zen-eco-4b-instruct:F16
# Install Pi:
npm install -g @earendil-works/pi-coding-agent
# Add to ~/.pi/agent/models.json:
{
"providers": {
"llama-cpp": {
"baseUrl": "http://localhost:8080/v1",
"api": "openai-completions",
"apiKey": "none",
"models": [
{
"id": "zenlm/zen-eco-4b-instruct:F16"
}
]
}
}
}# Start Pi in your project directory: pi
How to use zenlm/zen-eco-4b-instruct with Docker Model Runner:
docker model run hf.co/zenlm/zen-eco-4b-instruct:F16
How to use zenlm/zen-eco-4b-instruct with Lemonade:
# Download Lemonade from https://lemonade-server.ai/ lemonade pull zenlm/zen-eco-4b-instruct:F16
lemonade run user.zen-eco-4b-instruct-F16
lemonade list
How to use zenlm/zen-eco-4b-instruct with Hermes Agent:
# Install llama.cpp: brew install llama.cpp # Start a local OpenAI-compatible server: llama serve -hf zenlm/zen-eco-4b-instruct:F16
# 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 zenlm/zen-eco-4b-instruct:F16
hermes
How to use zenlm/zen-eco-4b-instruct with OpenClaw:
# Install llama.cpp: brew install llama.cpp # Start a local OpenAI-compatible server: llama serve -hf zenlm/zen-eco-4b-instruct:F16
# Install OpenClaw: npm install -g openclaw@latest # Register the local server and set it as the default model: openclaw onboard --non-interactive --mode local \ --auth-choice custom-api-key \ --custom-base-url http://127.0.0.1:8080/v1 \ --custom-model-id "zenlm/zen-eco-4b-instruct:F16" \ --custom-provider-id llama-cpp \ --custom-compatibility openai \ --custom-text-input \ --accept-risk \ --skip-health
openclaw agent --local --agent main --message "Hello from Hugging Face"
Instruction-tuned general-purpose language model (foundation Eco line).
Fine-tuned from Qwen/Qwen3-4B-Instruct-2507 (apache-2.0, Alibaba Qwen) with Hanzo identity + agentic-data training + abliteration. Not trained from scratch.
| Property | Value |
|---|---|
| Parameters | 4B (dense) |
| Architecture | Qwen3 (Qwen3ForCausalLM) |
| Context | 262144 |
apache-2.0. Upstream: Qwen/Qwen3-4B-Instruct-2507 by Alibaba Qwen (apache-2.0).