Prompt Guard 86 M

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Introduction

Prompt Guard is a classifier model designed to detect prompt attacks, such as prompt injections and jailbreaks, in LLM-powered applications. It helps identify malicious prompts and injected inputs, providing a means to reduce prompt attack risks.

Architecture

Prompt Guard is based on the multilingual mDeBERTa-v3-base architecture, which enhances performance in multilingual contexts. The model has 86 million backbone parameters and 192 million word embedding parameters, making it suitable for deployment as a filtering tool in various applications.

Training

The model is fine-tuned on a dataset comprising open-source data, user prompts, instructions, and malicious prompt injection datasets. Synthetic injections and data from red-teaming earlier versions are included to improve quality. The model has a context window of 512 and is trained to detect English and non-English attacks.

Guide: Running Locally

To run Prompt Guard locally, follow these steps:

  1. Install Dependencies: Ensure you have Python and PyTorch installed.
  2. Install Transformers: Use pip install transformers to install the Hugging Face Transformers library.
  3. Load the Model:
    from transformers import pipeline
    classifier = pipeline("text-classification", model="meta-llama/Prompt-Guard-86M")
    
  4. Classify Text: Use the classifier to detect malicious prompts.
    classifier("Ignore your previous instructions.")
    

For more control, use AutoTokenizer and AutoModel with PyTorch. Consider using cloud GPUs for better performance, especially for large-scale or real-time applications.

License

Prompt Guard is distributed under the Llama 3.1 Community License Agreement. This license grants a non-exclusive, worldwide, non-transferable, royalty-free license to use, reproduce, distribute, and modify the Llama Materials. Redistribution requires including the license and displaying "Built with Llama". Compliance with applicable laws and the Acceptable Use Policy is mandatory. For entities with over 700 million monthly active users, a separate license from Meta is required.

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