Instructions to use meta-llama/LlamaGuard-7b with libraries, inference providers, notebooks, and local apps. Follow these links to get started.

Libraries

How to use meta-llama/LlamaGuard-7b with Transformers:

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

pipe = pipeline("text-generation", model="meta-llama/LlamaGuard-7b")
messages = [
    {"role": "user", "content": "Who are you?"},
]
pipe(messages)

# Load model directly
from transformers import AutoTokenizer, AutoModelForCausalLM

tokenizer = AutoTokenizer.from_pretrained("meta-llama/LlamaGuard-7b")
model = AutoModelForCausalLM.from_pretrained("meta-llama/LlamaGuard-7b", device_map="auto")
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 meta-llama/LlamaGuard-7b with vLLM:

Install from pip and serve model

# Install vLLM from pip:
pip install vllm
# Start the vLLM server:
vllm serve "meta-llama/LlamaGuard-7b"
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:8000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "meta-llama/LlamaGuard-7b",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'

Use Docker

docker model run hf.co/meta-llama/LlamaGuard-7b

SGLang

How to use meta-llama/LlamaGuard-7b 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 "meta-llama/LlamaGuard-7b" \
    --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": "meta-llama/LlamaGuard-7b",
		"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 "meta-llama/LlamaGuard-7b" \
        --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": "meta-llama/LlamaGuard-7b",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'

Docker Model Runner
How to use meta-llama/LlamaGuard-7b with Docker Model Runner:
```
docker model run hf.co/meta-llama/LlamaGuard-7b
```

Replicating AUPRC of 0.624 in ToxiChat: Understanding Model Inference

#11

by jaimebellver - opened Dec 21, 2023

Discussion

jaimebellver

Dec 21, 2023

Hello! 👋

I've been working on replicating the AUPRC score of 0.62 achieved in ToxiChat using the LlamaGuard-7b model, and I'm seeking some guidance on the specifics of the process. I would greatly appreciate insights from anyone familiar with the model or the dataset.

Prompt Configuration: Could someone shed light on the ideal prompt used for the ToxiChat model? What kind of inputs or context tend to yield optimal results?
Dataset Handling: How is the ToxiChat dataset treated during inference? Any special preprocessing steps or considerations that contribute to the model's success?
Probability for "safe" and "unsafe": Could someone share insights on how to extract the probabilities associated with the predictions of the words "safe" and "unsafe" from the model's output? Right now, I obtain the logits of the words "safe" and "unsafe" and pass them through a softmax to obtain the probabilities that add up to 1.
Probability Thresholds for AUPRC: In calculating the AUPRC, which probability thresholds are used to determine positive and negative predictions?

Looking forward to a fruitful discussion!

Thank you! 🙌

Neuraugment

Feb 12, 2024

Same boat here, any progress?

paurue

Mar 7, 2024

Same here. Interested in your progress so far, @JaimeUPM and @Neuraugment .

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