Retrieval Augmented Generation (RAG) is a technique in Generative AI that enhances model accuracy by incorporating domain-specific information, such as a company's knowledge base or proprietary APIs, into the generative process. This method involves a retrieval system to fetch relevant data and a generative model to integrate it into responses, improving contextual relevance and reducing AI hallucinations. The text outlines a practical implementation using OpenAI's tools, vector databases, and Python to create a RAG pipeline that processes queries by embedding and retrieving text. It also explores the integration of feature flags through the Split platform to experiment with different parameters like text chunk size and model types, allowing developers to optimize AI features without altering code directly. The article provides insights into setting up and using feature flags for controlled experimentation and emphasizes the utility of Split in managing and deploying features efficiently, enabling dynamic adjustments based on contextual data.