AI 101 Series
From LLMs to Agentic Platforms, The Complete Guide
Go from “I have heard of ChatGPT” to understanding the full AI stack and knowing exactly which tool you need.
Start Chapter 1
25 min total, Free
Chapter 1
What an LLM Actually Is
A simple, jargon-free explanation of what Large Language Models (LLMs) are, how they work, and why they matter. Part of the Extella AI 101 series.
5 min read→
Chapter 2
The Chatbot You Already Know
AI chatbots like ChatGPT and Claude are everywhere. But what exactly are they, how do they differ from LLMs, and what are their real limitations?
5 min read→
Chapter 3
From Talking to Doing
AI agents do not just talk, they act. Learn what makes an AI agent different from a chatbot, how they work, and why 2026 is the year of agentic AI.
6 min read→
Chapter 4
Why One Agent Is Not Enough
Why the most powerful AI systems use multiple specialized agents working together, not one agent trying to do everything.
5 min read→
Chapter 5
What an Agentic Platform Is
An agentic platform is the infrastructure that makes AI agents possible. Learn what it includes, why it matters, and how it differs from chatbots.
6 min read→
Chapter 6
The Four Side by Side
A clear side-by-side comparison of LLMs, chatbots, AI agents, and agentic platforms. Understand the AI stack and what each layer does.
5 min read→
Chapter 7
What Is the Right AI for You?
Not sure which AI tool you need? This guide helps you choose between chatbots, AI agents, and agentic platforms based on your actual needs.
6 min read→
Final Assessment
AI 101 Final Test
20 questions covering all 7 chapters. Score yourself and find your AI level: Beginner, Intermediate, Advanced, or Expert.
20 questionsAll Chapters