langchain-chat is a powerful AI-driven Q&A system that leverages OpenAI's GPT-4 model to provide relevant and accurate answers to user queries. The system indexes documents from websites or PDF files using FAISS (Facebook AI Similarity Search) and offers a convenient interface for interacting with the data.

• Load and split documents from websites or PDF files
• Index documents using FAISS for efficient similarity search
• Utilize OpenAI's GPT-4 to generate human-like responses
• Remember previous conversations and provide context-aware answers
• Easy to set up and extend

1. Clone the repository
2. Create a virtual environment

   python -m venv venv

3. Activate the virtual environment

   source venv/Scripts/activate

4. Install the dependencies

   pip install -r requirements.txt

5. Copy the .env.example file to .env and fill in the required values

   cp .env.example .env

   OPEN_AI_KEY = "sk-"
   WEBSITE_URLS="https://website1, https://website2"

6. Run the application

   python with_faiss.py