The best free AI courses, curated

The visual math behind ML — neural nets, linear algebra, calculus.

Build neural nets from scratch to a GPT — free on YouTube.

AI fluency for everyone, plus hands-on prompting from Claude’s makers.

Abu-Mostafa's 'Learning From Data' — understand why ML works.

Deep learning, NLP and multimodal ML — full lectures on YouTube.

LLM University — embeddings, semantic search and RAG, hands-on.

Kilian Weinberger's beloved ML lectures, and more — all free.

Andrew Ng's free short courses and audit-free specializations.

Train a real model in lesson one. Course, videos and book, free.

Google's ML Crash Course + Kaggle Learn — a gentle on-ramp.

David Silver's RL course and DeepMind × UCL lecture series.

Hands-on courses on LLMs, agents, RL, vision and audio.

Open AI & ML courses, from OpenCourseWare and beyond.

Spinning Up in Deep RL, the Cookbook and OpenAI Academy.

World-class AI courses — much of it quietly public.

Classic AI, deep RL and data science — much of it public.