Between OpenAI, Google, Anthropic, MIT, and Stanford, there are dozens of genuinely excellent courses available right now, completely free. Some take 30 minutes. Some take 30 hours. All of them will teach you something you can actually use.
This page is your starting point. Browse by provider, pick what’s relevant to your role, and come back whenever you’re ready to go deeper.
I keep this list updated as new courses are released. Bookmark it.
These are OpenAI’s own courses, built for people who use ChatGPT at work. Each one is short, practical, and beginner-friendly. Start with Prompt Engineering if you’re new.
Introduction to Prompt Engineering
Advanced Prompt Engineering
Introducing GPT-5.2
ChatGPT Projects
ChatGPT & Reasoning
ChatGPT Search
OpenAI, LLMs & ChatGPT
Introduction to GPTs
ChatGPT for Data Analysis
Deep Research
ChatGPT for Any Role
ChatGPT for Sales
ChatGPT for Customer Success
ChatGPT for Product
ChatGPT for Engineers
ChatGPT for HR
ChatGPT for IT
ChatGPT for Managers
ChatGPT for Executives
ChatGPT for Finance
ChatGPT for Marketing
ChatGPT for Healthcare
Official courses from Anthropic covering everyday work tasks, Excel, Chrome browsing, and more. If you use or want to use Claude, start with "How to Use Claude for Everyday Work Tasks."
Claude Code in Action
How to Use Claude for Everyday Work Tasks*
AI Fluency: Framework & Foundations
Build with Claude
Building with the Claude API
Claude for Educators
Claude for Students
Claude for Nonprofits
Intro to Projects
Getting Started with Claude in Excel
Claude in Excel for Accounting: Revenue Model Validation
Claude in Excel for HR: Headcount Planning
How to Use Claude While Browsing Chrome
Create and Edit Files with Claude
How to Use Opus 4.5
How to Connect Claude to Your Apps
How to Automate Tasks with Claude Cowork
Google's free AI training ranges from beginner essentials to Gemini at work. Especially useful if you spend your days in Google Workspace.
How to Prompt Engineer (Kaggle)
Introduction to GenAI
Introduction to LLMs
Introduction to Responsible AI
AI in Google Sheets
Applying AI Principles with Google Cloud
Basics of Code
Integrate GenAI Into Your Data Workflow
Deploy and Manage GenAI Models
Accelerate Your Job Search with AI
Prompting Essentials
AI Essentials
AI for Small Businesses
AI for Educators
AI for Students
Tips for Using Gemini at Work
Google Workspace with Gemini
Free videos for every level, from two-minute explainers to full university lectures. Great for learning at your own pace. Andrej Karpathy's videos are particularly good if you want to understand how LLMs actually work.
MIT: Foundation Models & Generative AI
Stanford: Machine Learning & Building Large Language Models
Stanford: Machine Learning Full Course
What is ChatGPT?
Brief Explanation of Large Language Models
Andrej Karpathy: Deep Dive into LLMs like ChatGPT
Andrej Karpathy: Intro to Large Language Models
Free university-level AI courses from MIT OpenCourseWare. These are more technical than the other sections on this list, but if you want to understand how AI really works, these are world-class and completely free.
AI 101
Introduction to Deep Learning
Artificial Intelligence Course
Introduction to Machine Learning
How to AI (Almost) Anything
Understanding the World Through Data
Introduction to Algorithms
Foundation Models and Generative AI
Know a great free AI course I missed? Reply and let me know so I can add it!
