21 of the best AI courses you can take online for free

September 12, 2025

Deepseek on phone

TL;DR: A wide range of free AI courses are available to take on Udemy. Find free classes on ChatGPT, Copilot, DeepSeek, and much more.

AI continues to develop every day. We're not yet at the stage where this technology takes over and we can all take a backseat, so until that time comes, we might as well learn more about the world of chatbots, AI agents, and machine learning. And fortunately, you can do exactly that without spending anything thanks to Udemy.

A wide range of free online courses on AI can be found on this popular learning platform. We've checked out everything on offer and lined up a selection of standout courses to get you started. These are the best online AI courses you can take for free this month:

These free online courses don't include certificates of completion or direct instructor messaging, but you still get unrestricted access to all the video content.

Find the best free AI courses on Udemy.

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Credit: Udemy

Free AI Courses

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