Topic

AI Basics

Start here: what AI is, how chatbots like ChatGPT, Gemini and Claude work, and how to use them safely.

Free courses

AI for Everyone: Use AI Confidently at Work

A free beginner course that shows you how AI chatbots work, how to write prompts that get useful answers, and how to use AI safely for emails, summaries and everyday office tasks. No coding needed.

7 lessons 66 min Start →

Guides and posts

AI Basics

What Is an AI Hallucination? 5 Common Examples and How to Catch Them

AI chatbots sometimes make things up with full confidence. Learn the five most common kinds of AI hallucination at work, the warning signs, and a quick checklist to catch them.

21 Oct 2026

AI Basics

ChatGPT vs Gemini vs Claude vs Copilot: Which Free AI Should You Start With?

A practical comparison of the four best-known AI assistants for everyday work: what each is good at, which apps they connect to, and a simple way to choose without overthinking it.

21 Oct 2026

AI tools for AI Basics

ChatGPT

Freemium

General-purpose AI assistant by OpenAI for writing, explaining, summarising, analysing files and everyday office work.

Google Gemini

Freemium

Google's AI assistant, built into Google apps like Gmail, Docs, Sheets and Drive, for writing, research and everyday tasks.