What is RAG? How Retrieval-Augmented Generation Fixes AI's Knowledge Gap

What is RAG? How Retrieval-Augmented Generation Makes AI Smarter Learn how modern AI systems combine search and generation to provide accurate, up-to-date answers backed by real sources. Your ChatGPT confidently told you that the latest icosts $699, but when you checked Apple's website, the price was completely wrong. This wasn't a glitch - it's a fundamental limitation that affects every AI chatbot you've ever used. Large language models like ChatGPT are trained on data with a cutoff date, meaning they're essentially frozen in time.