Season 2 · Episode 1914
Google Invented RAG's Secret Sauce
Before LLMs, Google solved the "hallucination" problem with a two-stage trick that's making a huge comeback.
My Weird Prompts · Daniel Rosehill
April 2, 202628m 7s
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Show Notes
Why does modern RAG feel like a breakthrough when Google solved the core retrieval problem over a decade ago? We trace the lineage of re-ranking—from early search engines to modern cross-encoders—and reveal why this "old school" engineering tactic is the key to fixing LLM context limits and hallucinations. Learn how the "two-stage" architecture works and why "less is more" when feeding data to AI.