01
AI Foundations
Understand what AI is, how systems learn, where they fail, and how to judge claims without hype.
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
~2 minPer guide
~34hReading time
Start here
Five outcome-based courses
Each course includes explicit outcomes, mapped competencies, practice activities, and an applied capstone.
02
Responsible AI User
Use AI productively while protecting privacy, checking outputs, and preserving human accountability.
03
AI at Work
Evaluate workplace use cases, run safe pilots, measure value, and communicate changes responsibly.
04
AI Policy & Society
Analyze AI systems through rights, equity, governance, safety, and public-interest outcomes.
05
Building with AI Systems
Understand language models, retrieval, agents, evaluation, cost, and deployment safeguards through practical system design.
Topic tracks
Browse by track
Jump into the area you care about. Every track has multiple plain-English guides.
FundamentalsCore concepts: how AI works at a high level.84 guides Language AILLMs, NLP, ChatGPT, prompting, and text understanding.155 guides Visual AIImage generation, computer vision, video, and design.133 guides Audio AIVoice, music, podcasting, and audio-first AI.117 guides CompaniesProfiles of OpenAI, Anthropic, Google, Meta, and more.121 guides ApplicationsHow AI shows up in coding, search, agents, and daily life.111 guides IndustriesAI in healthcare, finance, education, energy, and more.91 guides TechnicalChips, fine-tuning, RAG, vectors, and AI infrastructure.177 guides SocietyBias, privacy, copyright, safety, and the AI future.30 guides
Full library
All guides
1019 of 1019 guides shown. Filter by track or search above.
Companies
Character.AI
Character.AI is a consumer app where users chat with AI personas — from historical figures to original characters — built by founders who pioneered…
CompaniesInflection AI
Inflection AI built Pi, an empathetic personal-AI chatbot, and trained its own Inflection family of large language models.
CompaniesAI21 Labs
AI21 Labs is an Israeli AI company building large language models (the Jurassic and Jamba families) and enterprise tools, plus the consumer writing assistant…
Language AIHybrid Search
Hybrid search blends keyword matching with semantic vector search so a system catches both exact terms and the meaning behind a query.
Language AIDocument Chunking Strategies
Document chunking is how you split long text into retrievable pieces before embedding it for search or RAG.
Language AILong-Context Modeling
Long-context modeling lets a language model read and reason over very large inputs at once, from hundreds of pages to entire codebases.
SocietyEU AI Act
The EU AI Act is the world's first comprehensive law regulating artificial intelligence, sorting AI systems into risk tiers with rules that scale up…
SocietyNIST AI Risk Management Framework
The NIST AI Risk Management Framework (AI RMF) is a voluntary US government playbook for building trustworthy AI by identifying and managing its risks across…
SocietyISO/IEC 42001 AI Management
ISO/IEC 42001 is the first international standard for an Artificial Intelligence Management System (AIMS), giving organizations a certifiable way to govern…
Audio AIProsody Modeling
Prosody modeling teaches machines the melody of speech, the rhythm, pitch, stress, and pacing that ride on top of the words.
Audio AIEmotional Speech Synthesis
Emotional speech synthesis generates voices that sound happy, sad, angry, or calm, not just intelligible but believably felt.
Audio AIVoice Conversion
Voice conversion transforms one person's recorded speech so it sounds like it was spoken by someone else, while keeping the original words and timing.
Finished reading? Prove it.
Check what you learned with topic quizzes, then explore our structured courses and current certification requirements. Core guides remain free to read.