01
Foundations
Start here if you're new to AI. Build a solid mental model in a few hours.
Free AI library
Learn AI.Free forever.
1019 plain-English guides, structured learning paths, and an open library — built by an independent 501(c)(3) nonprofit so anyone can understand modern AI.
1019Free guides
9Topic tracks
~4 minPer guide
68h+Total library
Start here
Three learning paths
Each path is a sequence of guides you can read in order. Pick the one that matches what you want to do.
02
Practical Use
Learn how to actually use today's AI tools well — chat, write, create, code.
03
Society & Ethics
Understand the real-world impact of AI on jobs, privacy, safety, and society.
Topic tracks
Browse by track
Jump into the area you care about. Every track has multiple plain-English guides.
Full library
All guides
1019 of 1019 guides shown. Filter by track or search above.
Industries
AI in Education
Personalized learning and AI tutors
IndustriesAI in Science
Scientific research and discovery
IndustriesAI & Climate
Environmental applications of AI
IndustriesAI & Law
Legal applications and regulation
TechnicalAI Benchmarks
How AI models are tested and compared
TechnicalAI Chips & Hardware
GPUs, TPUs, and specialized AI hardware
TechnicalReinforcement Learning
How AI learns through rewards and feedback
TechnicalAI & Robotics
Autonomous robots and automation
FundamentalsMachine Learning Basics
Machine Learning Basics explained clearly for everyday readers.
FundamentalsSupervised Learning
Supervised Learning explained clearly for everyday readers.
FundamentalsUnsupervised Learning
Unsupervised Learning explained clearly for everyday readers.
FundamentalsGenerative AI
Generative AI explained clearly for everyday readers.
Keep AI education free for everyone.
We're a 501(c)(3) nonprofit. No ads, no paywall, no tracking. Just clear AI guides funded by readers who value an independent source.