NbAiLab/borealis-4b-instruct-preview-mlx
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Borealis 4B Instruct MLX (Preview)
Release: Dec 22nd, 2025.
Model summary
NbAiLab/borealis-4b-instruct-preview-mlx is a MLX version of a 4B-parameter instruction-tuned preview model intended for early testing and feedback. It is an experiment and should be treated as pre-release quality.
The original model is NbAiLab/borealis-4b-instruct-preview.
This model NbAiLab/borealis-4b-instruct-preview-mlx was converted to MLX format from NbAiLab/borealis-4b-instruct-preview using mlx-lm version 0.29.1.
Use with mlx
pip install mlx-lmfrom mlx_lm import load, generate
model, tokenizer = load("NbAiLab/borealis-4b-instruct-preview-mlx")
prompt = "hei :)"
if tokenizer.chat_template is not None:
messages = [{"role": "user", "content": prompt}]
prompt = tokenizer.apply_chat_template(
messages, add_generation_prompt=True
)
response = generate(model, tokenizer, prompt=prompt, verbose=True)