How Large Language Models Actually Work: A Plain-English Guide
Tokens, embeddings, attention and next-word prediction — the ideas behind ChatGPT, Claude and Gemini explained without a single equation.
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Build Your First RAG App in Python: Chat With Your Own Documents
Retrieval-augmented generation lets an AI answer questions using your PDFs, notes and docs. Here's how it works and a minimal app you can build in an afternoon.