4-bit Open on Hugging Face
Parameters
1.9B
Weights (est.)
≈ 1.1 GB
Mac memory (est.)
8 GB+
Size is estimated from the parameter count and quantisation. Memory allows a fifth extra for context plus 2 GB for the system; long contexts need more.
Run it
With mlx-lm on an Apple silicon Mac:
pip install mlx-lmmlx_lm.generate --model mlx-community/Qwen3.5-2B-OptiQ-4bit --prompt "Hello"
Details
- Base model
- Qwen/Qwen3.5-2B (quantized)
- Vendor
- Qwen
- Task
- Text generation
- Quantisation
- 4-bit
- Licence
- apache-2.0
- Downloads
- 1.4K in the last 30 days · 24K all time · 14 likes
- Published
- 2026-03-04 · updated 2026-10-30 (12d ago)
- Tags
- qwen3_5, quantized, mixed-precision, 4bit, 8bit, optiq, apple-silicon, qwen3.5
Other MLX builds of Qwen/Qwen3.5-2B
| Build | Quantisation | Weights | Mac memory | Downloads |
|---|---|---|---|---|
| Qwen3.5-2B-OptiQ-4bit (this one) | 4-bit | ≈ 1.1 GB | 8 GB+ | 1.4K |
| Ternary-Bonsai-2-2B-2bit | 2-bit | ≈ 1.3 GB | 8 GB+ | 356 |
| Qwen3.5-2B-MLX-4bit | 4-bit | ≈ 1.7 GB | 8 GB+ | 11K |
| Qwen3.5-2B-MLX-8bit | 8-bit | ≈ 2.7 GB | 8 GB+ | 1.3K |
| Qwen3.5-2B-MLX-bf16 | bf16 | ≈ 4.4 GB | 8 GB+ | 134 |