Free picks
12 Best Free AI and Machine Learning Courses
You can learn modern AI from the people who build it without paying for a course. These free courses, books and lecture series cover everything from the maths and neural networks to large language models and AI agents.
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The list
Every pick is free or has a usable free plan. Pricing and features change, so check each tool's own site before you commit.
- 1
Karpathy's course building neural networks from scratch, step by step.
Why it stands out: Widely considered the best from-scratch NN course
Best for Students, Developers, Professionals · Course
- 2
Practical deep learning courses for coders.
Why it stands out: Free and highly regarded worldwide
Best for Developers, Students · Course
- 3
The official free course on Transformers and the Hugging Face ecosystem.
Why it stands out: Official course from Hugging Face
Best for Developers, Students · Course
- 4
Interactive deep learning book with code, math and discussions.
Why it stands out: Runnable code in multiple frameworks
Best for Students, Developers, Professionals · Course
- 5
Learn to develop, deploy and iterate on production-grade ML applications.
Why it stands out: Covers the full ML lifecycle
Best for Developers, Students, Professionals · Course
- 6
A course to get into large language models with roadmaps and Colab notebooks.
Why it stands out: Three clear tracks for different goals
Best for Developers, Students, Professionals · Course
- 7
Microsoft's free 18-lesson course to start building AI agents.
Why it stands out: Free and open source from Microsoft
Best for Developers, Students, Professionals · Course
- 8
Guides, papers, lessons and notebooks for prompt engineering, RAG and AI agents.
Why it stands out: The reference resource for prompting
Best for Developers, Writers, Professionals · Course
- 9
Google's free self-study ML crash course.
Why it stands out: Free with no sign-up required
Best for Developers, Students, Professionals · Course
- 10
A tiny scalar-valued autograd engine with a PyTorch-like API.
Why it stands out: The clearest way to learn backpropagation
Best for Students, Developers · Course
- 11
The companion book for the math behind machine learning.
Why it stands out: Free PDF of a published Cambridge book
Best for Students, Developers, Professionals · Course
- 12
Master the command line, in one page.
Why it stands out: One page, enormous practical value
Best for Developers, Students, Professionals · Course