AI-Powered Q&A Chatbot:

Llama 2 AI Chatbot is a conversational AI powered by Meta's Llama 2 model, integrated with LangChain and Streamlit. This chatbot allows users to interact with the model in real time via a web interface.

🚀 Features

• Uses Llama 2 (7B) model for natural language processing.
• Integrated with LangChain for seamless prompt engineering.
• Streamlit web UI for user-friendly interaction.
• Deployed using ngrok for external access.

📛 Installation

Step 1: Clone the Repository

git clone https://github.com/yourusername/llama2-chatbot.git
cd llama2-chatbot

Step 2: Install Dependencies

pip install langchain openai llama-cpp-python streamlit streamlit_chat langchain_community pyngrok

Step 3: Download Llama 2 Model

Download the Llama 2 7B GGUF model file:

wget -O llama-2-7b.gguf https://huggingface.co/TheBloke/Llama-2-7B-GGUF/resolve/main/llama-2-7b.Q4_K_M.gguf

🛠️ Usage

Run the Chatbot

streamlit run app.py

Deploy with ngrok

1. Authenticate ngrok (replace with your token):

   ngrok authtoken YOUR_NGROK_AUTH_TOKEN

2. Start ngrok tunnel:

   ngrok http 8501

3. Copy the public URL provided by ngrok and open it in a browser.

🎥 Demo