zen-eco-4b-agent (MLX)
MLX 4-bit build of the Eco 4B agent (tool-calling fine-tune), for Apple Silicon.
Repackaged from Qwen/Qwen3-4B (apache-2.0, Alibaba Qwen). Not trained from scratch — a permissively-licensed redistribution for the OSS-clean Zen model line.
Specs
| Property | Value |
|---|---|
| Parameters | 4B (dense) |
| Architecture | Qwen3 (Qwen3ForCausalLM) |
| Format | MLX 4-bit |
Usage
pip install mlx-lm
from mlx_lm import load, generate
model, tokenizer = load("zenlm/zen-eco-4b-agent-mlx")
messages = [{"role": "user", "content": "Hello, who are you?"}]
prompt = tokenizer.apply_chat_template(messages, add_generation_prompt=True)
print(generate(model, tokenizer, prompt=prompt, verbose=True))
License
apache-2.0. Upstream: Qwen/Qwen3-4B by Alibaba Qwen (apache-2.0).