How to use from
SGLang
Install from pip and serve model
# Install SGLang from pip:
pip install sglang
# Start the SGLang server:
python3 -m sglang.launch_server \
    --model-path "cs2764/GLM-5.1-FP8_dq4-mlx" \
    --host 0.0.0.0 \
    --port 30000
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:30000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "cs2764/GLM-5.1-FP8_dq4-mlx",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'
Use Docker images
docker run --gpus all \
    --shm-size 32g \
    -p 30000:30000 \
    -v ~/.cache/huggingface:/root/.cache/huggingface \
    --env "HF_TOKEN=<secret>" \
    --ipc=host \
    lmsysorg/sglang:latest \
    python3 -m sglang.launch_server \
        --model-path "cs2764/GLM-5.1-FP8_dq4-mlx" \
        --host 0.0.0.0 \
        --port 30000
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:30000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "cs2764/GLM-5.1-FP8_dq4-mlx",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'
Quick Links

GLM-5.1-FP8_dq4

This model is a DQ4 quantized version of the original model [GLM-5.1-FP8](Local Model). It was quantized locally using the mlx_lm library.

Quantization Methodology (DQ4)

This model was quantized using the dynamic DQ4 (4-bit / 5-bit / 6-bit / 8-bit mixed) approach, inspired by the methodology described in the mlx-community/Kimi-K2.5-mlx-DQ3_K_M-q8 repository.

The weights are mixed based on MLX layers:

  • Expert layers (switch_mlp / mlp) are quantized to 4-bit.
  • The first 5 layers are kept at higher quality (6-bit).
  • Every 5th layer is medium quality (5-bit).
  • All other layers (e.g. attention, normalization) remain at 8-bit to serve as the "8-bit brain".
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Tensor type
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Hardware compatibility
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4-bit

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