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.

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.

Society

AI Bias

AI bias can arise from data, measurement, modeling choices, human judgments, and the wider system in which a model is used.

2 min readRead
Society

AI & Privacy

AI privacy concerns how a system’s collection, inference, storage, and disclosure of information can affect people.

2 min readRead
Society

AI & Copyright

AI and copyright involves several separate questions: rights in input material, permission to use a service or model, possible infringement in outputs…

2 min readRead
Society

AI Safety

AI safety is the field focused on preventing AI systems from causing severe harm — from everyday failures and misuse up through catastrophic and existential…

2 min readRead
Society

Artificial General Intelligence

Artificial General Intelligence (AGI) refers to AI systems with broad, human-level (or greater) competence across most cognitive tasks — not just one narrow…

2 min readRead
Society

Open Weights

Open-weights models make learned parameter files available for download under specified terms.

2 min readRead
Society

AI Alignment

AI alignment is the technical and institutional project of making advanced AI systems reliably do what humans intend — including in novel, high-stakes…

2 min readRead
Society

Synthetic Data

Synthetic data is generated to represent some properties of real or imagined data.

2 min readRead
Society

Model Collapse

Model collapse describes degradation that can occur when successive models learn recursively from generated data and lose information about the original…

2 min readRead
Society

AI Governance

AI governance is the set of rules, roles, and technical controls that decide who may build, train, evaluate, and deploy AI systems — and what happens…

2 min readRead
Fundamentals

AI Systems Thinking

AI systems thinking examines how data, models, people, interfaces, and operating policies interact.

2 min readRead
Fundamentals

Model Lifecycle

The model lifecycle covers problem definition, data preparation, training or selection, evaluation, deployment, monitoring, and retirement.

2 min readRead

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.