RAG vs Fine-Tuning: How to Choose the Right Approach
Chunking, hybrid search and reranking cut retrieval failures by 67% in one published test. Fine-tuning would not have helped. Here is how to choose between the four options.
How Large Language Models Actually Work, Step by Step
Tokens, embeddings, attention, training versus inference, and why chatbots confidently invent facts. A plain-English walk through the machinery behind modern AI models.