Instructions to use Vortex5/Luminous-Shadow-12B with libraries, inference providers, notebooks, and local apps. Follow these links to get started.

Libraries

How to use Vortex5/Luminous-Shadow-12B with Transformers:

# Use a pipeline as a high-level helper
from transformers import pipeline

pipe = pipeline("text-generation", model="Vortex5/Luminous-Shadow-12B")
messages = [
    {"role": "user", "content": "Who are you?"},
]
pipe(messages)

# Load model directly
from transformers import AutoTokenizer, AutoModelForCausalLM

tokenizer = AutoTokenizer.from_pretrained("Vortex5/Luminous-Shadow-12B")
model = AutoModelForCausalLM.from_pretrained("Vortex5/Luminous-Shadow-12B")
messages = [
    {"role": "user", "content": "Who are you?"},
]
inputs = tokenizer.apply_chat_template(
	messages,
	add_generation_prompt=True,
	tokenize=True,
	return_dict=True,
	return_tensors="pt",
).to(model.device)

outputs = model.generate(**inputs, max_new_tokens=40)
print(tokenizer.decode(outputs[0][inputs["input_ids"].shape[-1]:]))

Notebooks
Google Colab
Kaggle
Local Apps Settings

vLLM

How to use Vortex5/Luminous-Shadow-12B with vLLM:

Install from pip and serve model

# Install vLLM from pip:
pip install vllm
# Start the vLLM server:
vllm serve "Vortex5/Luminous-Shadow-12B"
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:8000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "Vortex5/Luminous-Shadow-12B",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'

Use Docker

docker model run hf.co/Vortex5/Luminous-Shadow-12B

SGLang

How to use Vortex5/Luminous-Shadow-12B with 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 "Vortex5/Luminous-Shadow-12B" \
    --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": "Vortex5/Luminous-Shadow-12B",
		"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 "Vortex5/Luminous-Shadow-12B" \
        --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": "Vortex5/Luminous-Shadow-12B",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'

Docker Model Runner
How to use Vortex5/Luminous-Shadow-12B with Docker Model Runner:
```
docker model run hf.co/Vortex5/Luminous-Shadow-12B
```

Vortex5 commited on Oct 24, 2025

Commit

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@@ -23,7 +23,7 @@ tags:
 ### ✨ **Overview**
 <div style="background-color:rgba(10,10,10,0.85);border-left:4px solid #e4b865;padding:15px 20px;border-radius:6px;color:#f5e8c7;font-family:'JetBrains Mono',monospace;">
-<b>Luminous-Shadow-12B</b> is a handcrafted <b><a href="https://arxiv.org/abs/2406.11617" style="color:#ffd47f;">DELLA</a></b> merge created with <a href="https://github.com/arcee-ai/mergekit" style="color:#e4b865;">MergeKit</a>, balancing ethereal creativity and reasoned coherence.<br><br>
 It draws from the expressive nature of <a href="https://huggingface.co/Vortex5/Shadow-Crystal-12B" style="color:#ffd47f;">Shadow-Crystal</a>, the refined structure of <a href="https://huggingface.co/Retreatcost/KansenSakura-Radiance-RP-12b" style="color:#ffd47f;">KansenSakura-Radiance-RP</a>, and the stylistic artistry of <a href="https://huggingface.co/Retreatcost/Ollpheist-12B" style="color:#ffd47f;">Ollpheist</a>.
 </div>

 ### ✨ **Overview**
 <div style="background-color:rgba(10,10,10,0.85);border-left:4px solid #e4b865;padding:15px 20px;border-radius:6px;color:#f5e8c7;font-family:'JetBrains Mono',monospace;">
+<b>Luminous-Shadow-12B</b> was merged using the <b><a href="https://arxiv.org/abs/2406.11617" style="color:#ffd47f;">DELLA</a></b> merge method via <a href="https://github.com/arcee-ai/mergekit" style="color:#e4b865;">MergeKit</a>, balancing ethereal creativity and reasoned coherence.<br><br>
 It draws from the expressive nature of <a href="https://huggingface.co/Vortex5/Shadow-Crystal-12B" style="color:#ffd47f;">Shadow-Crystal</a>, the refined structure of <a href="https://huggingface.co/Retreatcost/KansenSakura-Radiance-RP-12b" style="color:#ffd47f;">KansenSakura-Radiance-RP</a>, and the stylistic artistry of <a href="https://huggingface.co/Retreatcost/Ollpheist-12B" style="color:#ffd47f;">Ollpheist</a>.
 </div>