Author: Jose S
Fine-tuning vs RAG: two ways to teach an AI chatbot about your company
Fine-tuning changes model behavior with examples. RAG retrieves documents into the prompt. Prefer RAG first for company knowledge; fine-tune when style or task format is the real gap.
Hosted or downloaded: where should an open AI model run?
Hosted open models and a download to your machine are different places for the same weights. This guide splits Groq, Together, Fireworks, and chat UIs from Ollama, LM…
Which Grok model should you use, and when should you switch?
Choose a Grok model by job: everyday chat for short rewrites, Grok 4.7 or Grok Build for long coding work, Imagine for pictures. Switch only when the job…
How to write a one-page definition for every business metric people argue about
Write a one-page metric spec with owner, grain, formula, filters, and caveats. Definitions beat dashboard debates when two people rebuild the same number.
What is an embedding in AI? How text becomes numbers
Embeddings turn text into number lists so search and RAG can match meaning. Use them for similarity and retrieval. Do not treat a near neighbor as a verified…
