RAG, short for Retrieval-Augmented Generation, is a powerful approach used in modern AI and machine learning (ML) models to generate responses and outputs.
Instead of relying only on a fixed, pre-trained dataset or static internal knowledge, RAG enables a model to search external databases or retrieve up-to-date information in real time before producing a response. This makes the AI significantly more dynamic, accurate, and context-aware.
Key benefits of RAG
- Provides more accurate and up-to-date responses by accessing the latest data
- Reduces hallucinations (incorrect or fabricated answers)
- Enables better handling of specialized or niche questions
- Supports integration with private databases, enterprise knowledge bases, or web search for customized results
RAG was first introduced in 2020 by researchers at Facebook AI Research and has since become a critical innovation in the evolution of large language models (LLMs), such as ChatGPT, Claude, LLaMA, and many next-generation AI systems.
Looking ahead, RAG is expected to play a major role in the future of AI, helping ensure that intelligent systems provide reliable, real-time, and highly relevant information across various applications, from enterprise search to customer support and beyond.
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