RAG Retrieval-Augmented Generation: turning AI from closed-book to open-book

RAG in Practice: Stop Making Your LLM Take Closed-Book Exams

A practical RAG tutorial: build an enterprise knowledge base Q&A system in 4 steps using embedding vector search and Claude. Contextual Retrieval cuts retrieval failure from 5.7% to 1.9%, with full Python code and Voyage AI model comparison.

February 10, 2026 · 10 min · 2050 words · Dream Beast Programming
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