oQ3 mixed-precision MLX quantization produced via
oMLX.
1from mlx_lm import load, generate
2model, tokenizer = load("bearzi/Qwen3.6-27B-oQ3")
3prompt = tokenizer.apply_chat_template(
4 [{"role": "user", "content": "Hello"}],
5 add_generation_prompt=True,
6)
7print(generate(model, tokenizer, prompt=prompt, max_tokens=512, verbose=True))
oQ measures per-layer quantization sensitivity through calibration and allocates bits where they matter most — critical layers stay at higher precision, tolerant layers compress aggressively. Target averages of 2/3/4/6/8 bits are provided; actual per-layer bits vary by measured sensitivity.
Comparative benchmarks and feedback welcome — please open a discussion.