Qwen3.8-27B-MLX-6bit

This repository contains the 6-bit MLX quantization of Qwen3.8-27B, optimized for ultra-fast local inference on Apple Silicon (M1/M2/M3/M4 Max/Ultra/Pro).

🚀 Key Specifications

  • Target Architecture: Qwen 3.8 (27B Parameters)
  • Quantization: 6-bit group-size 64 MLX weights
  • Context Length: 32k tokens (scalable up to 128k+)
  • Memory Footprint: ~21.8 GB Unified Memory
  • Recommended Hardware: Apple Silicon Mac with 32GB+ Unified Memory (runs comfortably on M-series Pro/Max/Ultra).

💻 Quickstart with MLX-LM

1. Install MLX LM

pip install -U mlx-lm

2. Run Single-Shot Generation

python -m mlx_lm.generate \
  --model username/Qwen3.8-27B-MLX-6bit \
  --prompt "Write a Swift 6 actor for caching network responses." \
  --max-tokens 1024 \
  --temp 0.2

3. Launch Local OpenAI-Compatible Server

python -m mlx_lm.server \
  --model username/Qwen3.8-27B-MLX-6bit \
  --port 8000

⚡ Speculative Decoding (DFlash)

When paired with the companion Qwen3.8-27B-DFlash speculative draft model, this 6-bit model achieves up to 2.5x–3.2x throughput speedups (45–60+ tokens/sec) on Apple Silicon M-series chips while maintaining 100% exact mathematical output fidelity.


📄 License

Apache 2.0 License. Based on the Qwen 3 model series.

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