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 "petra312/GLM-4.6-Derestricted-v3-NF4" \
    --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": "petra312/GLM-4.6-Derestricted-v3-NF4",
		"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 "petra312/GLM-4.6-Derestricted-v3-NF4" \
        --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": "petra312/GLM-4.6-Derestricted-v3-NF4",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'
Quick Links

GLM-4.6-Derestricted-v3 NF4 (bitsandbytes)

4-bit NF4 / double-quant conversion of ArliAI/GLM-4.6-Derestricted-v3 (GLM-4.6, 92 layers, 160 routed experts).

Intended layout on a single 24–32 GB GPU + lots of CPU RAM (Unsloth / llama.cpp MoE-offload style):

  • GPU: embeddings, attention, dense MLPs (first 3 layers), shared experts, router, lm_head
  • CPU RAM: routed expert NF4 weights (~160 experts × 89 MoE layers)

Experts are not fused 3D gate_up_proj tensors. They stay as per-expert gate_proj / up_proj / down_proj so bitsandbytes can NF4 them. Use transformers 4.57.x, not 5.x (5.x fuses GLM experts and bnb cannot quantize the 3D parameters).

Load (dense GPU, experts CPU)

import torch
from transformers import AutoModelForCausalLM, AutoTokenizer, AutoConfig

model_id = "petra312/GLM-4.6-Derestricted-v3-NF4"
config = AutoConfig.from_pretrained(model_id, trust_remote_code=True)

device_map = {
    "model.embed_tokens": 0,
    "model.norm": 0,
    "model.rotary_emb": 0,
    "lm_head": 0,
}
for i in range(config.num_hidden_layers):
    device_map[f"model.layers.{i}.self_attn"] = 0
    device_map[f"model.layers.{i}.input_layernorm"] = 0
    device_map[f"model.layers.{i}.post_attention_layernorm"] = 0
    if i < config.first_k_dense_replace:
        device_map[f"model.layers.{i}.mlp"] = 0
    else:
        device_map[f"model.layers.{i}.mlp.gate"] = 0
        device_map[f"model.layers.{i}.mlp.shared_experts"] = 0
        device_map[f"model.layers.{i}.mlp.experts"] = "cpu"

tokenizer = AutoTokenizer.from_pretrained(model_id, trust_remote_code=True)
model = AutoModelForCausalLM.from_pretrained(
    model_id,
    device_map=device_map,
    trust_remote_code=True,
    torch_dtype=torch.bfloat16,
)

Requires bitsandbytes, accelerate, transformers==4.57.6.

Notes

  • MTP layer 92 is omitted (not used by Glm4MoeForCausalLM).
  • modeling_glm4_moe.py in this repo returns router logits so REAP-style expert observers still work.
  • Original BF16 weights are unchanged on the source model card; this repo is a quantized derivative.
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