AI tutorials
Every AI tutorial on TechPurAI, in one place — hands-on and written to be followed along with.
What Are Embeddings in AI?
A real, precise explanation of embeddings — how AI turns real text into numerical vectors that capture meaning, why 'closeness' between vectors means semantic similarity, and the real foundation every technique in this series builds on.
What Is an AI Agent?
A complete, precise definition of an AI agent — the real, defining loop of reasoning, acting, and observing that separates it from a plain chatbot — and why the term gets used so loosely across real, current AI products.
Setting Up a Real Python AI Project
The real, reusable project setup every tutorial in this series builds on — environment, dependencies, secure API key handling, and a shared client module — done once, correctly, instead of repeated in every part.
What Is Artificial Intelligence? A Complete Beginner Guide
A real, honest definition of artificial intelligence — what it actually means, the real categories it's split into, and why 'AI' in 2026 usually means something much narrower than the term technically covers.