Foundations
Start here if you're new to AI. Build a solid mental model in a few hours.
Free AI library
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.
Start here
Each path is a sequence of guides you can read in order. Pick the one that matches what you want to do.
Start here if you're new to AI. Build a solid mental model in a few hours.
Learn how to actually use today's AI tools well — chat, write, create, code.
Understand the real-world impact of AI on jobs, privacy, safety, and society.
Topic tracks
Jump into the area you care about. Every track has multiple plain-English guides.
Full library
155 of 1019 guides shown. Filter by track or search above.
ColBERT Late Interaction Retrieval explained clearly for everyday readers.
Language AIMaximum Marginal Relevance explained clearly for everyday readers.
Language AISelf-RAG and Reflective Retrieval explained clearly for everyday readers.
Language AIGraphRAG Knowledge Graphs explained clearly for everyday readers.
Language AISkeleton-of-Thought Parallel Decoding explained clearly for everyday readers.
Language AIChain-of-Verification for Hallucination Reduction explained clearly for everyday readers.
Language AIEntity Linking and Disambiguation explained clearly for everyday readers.
Language AILogit Lens and Intermediate Layer Decoding explained clearly for everyday readers.
Language AIInduction Heads in Transformers explained clearly for everyday readers.
Language AIPosition Interpolation for Context Extension explained clearly for everyday readers.
Language AIYaRN Context Window Scaling explained clearly for everyday readers.
Language AIJamba Hybrid Transformer-Mamba Models explained clearly for everyday readers.
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.