AI Fundamentals: How AI Actually Works
Learn AI fundamentals in bite-sized lessons. Understand how AI models work — from tokens to hallucinations — no technical background needed.
What Is a Large Language Model (LLM)?
What is an LLM? A simple explanation of how large language models like ChatGPT and Claude work — no jargon, no math, just clarity.
3 min readHow AI Models Are Trained: 3 Phases Explained
Learn how AI models are trained in three phases — pre-training, fine-tuning, and RLHF — explained simply, without jargon.
4 min readWhat Are AI Tokens? How LLMs Read Your Words
AI tokens explained simply: what tokens are, how LLMs break text into tokens, and why tokens affect your AI costs. Includes examples.
3 min readWhat Is a Context Window in AI? (Simple Guide)
Learn what a context window is, how it acts as AI's working memory, why size matters, and how context windows have grown from 2K to 2M+ tokens.
3 min readWhat Is Temperature in AI? The Creativity Dial
Learn what the temperature setting does in AI and LLMs, how values from 0 to 1 control randomness vs. precision, and when to adjust it.
3 min readAI Hallucinations: Why AI Makes Things Up
Learn what AI hallucinations are, why AI models generate convincing nonsense, and three practical strategies to protect yourself from false outputs.
4 min readHow to Choose the Right AI Model for Your Task
A beginner-friendly guide to choosing between ChatGPT, Claude, Gemini, and more. Learn which AI model fits your task without the overwhelm.
4 min read