AI explainedsimply.
Learn ChatGPT, AI agents, prompts, RAG, APIs, automation, and more through short, clear explanations that actually make sense.
Most AI content is either too technical or too vague.
ELI5AI makes AI easier to understand with short, practical, plain-English explanations for real people.
Start with the right AI category.
Start here if you are new to AI. Learn the terms, concepts, and building blocks first.
Understand ChatGPT, Claude, Gemini, APIs, copilots, and the tools people use every day.
Learn automation, RAG, agents, prompts, and how AI fits into real work.
Compare tools, models, and concepts without jargon or hype.
Learn the AI topics people actually search for.
Every page answers one clear question and links you to the next topic naturally.
What is ChatGPT?
A simple explanation of how ChatGPT works and what people actually use it for.
What is an AI agent?
The difference between a chatbot and an AI agent, explained simply.
What is RAG?
Why AI tools sometimes search your data before answering.
What is prompt engineering?
How better instructions create better AI outputs.
ChatGPT vs Claude
A plain-English comparison of two popular AI assistants.
What is an API?
The easiest way to understand how apps and AI tools connect.
Plain English
No overcomplicated explanations, no technical waffle, and no unnecessary jargon.
Built for search and learning
Every page answers one clear question so you can understand the topic quickly.
Useful in real life
Learn the AI terms, tools, and workflows that actually matter at work and online.
Common questions about ELI5AI
What is ELI5AI?
ELI5AI is a site that explains AI terms, tools, and concepts in plain English.
Who is ELI5AI for?
It is for beginners, professionals, creators, and anyone who wants to understand AI without technical jargon.
What topics does ELI5AI cover?
The site covers ChatGPT, AI agents, RAG, prompts, APIs, automation, comparisons, and practical AI workflows.