Free AI library

Companies guidesFree forever.

121 plain-English guides, structured learning paths, and an open library — built by an independent 501(c)(3) nonprofit so anyone can understand modern AI.

121Free guides
1Topic tracks
~2 minPer guide
~4hReading 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

121 of 1019 guides shown. Filter by track or search above.

Companies

OpenAI

OpenAI develops AI models and products, including the ChatGPT application and a developer API.

2 min readRead
Companies

Anthropic and Claude

Anthropic develops Claude models and related products for language, coding, analysis, and tool-assisted work.

2 min readRead
Companies

Google AI

Google’s AI ecosystem spans research, consumer applications, developer tools, and cloud services.

2 min readRead
Companies

Meta AI and Llama

Meta’s AI work includes consumer experiences, research, and the Llama model ecosystem.

2 min readRead
Companies

Microsoft AI

Microsoft’s AI ecosystem includes user-facing assistants, development platforms, and integrations with models from multiple providers.

2 min readRead
Companies

Open Source AI

Open source AI concerns the freedoms and materials available to use, study, modify, and share an AI system.

2 min readRead
Companies

Apple Intelligence

Apple Intelligence is Apple’s collection of AI features integrated into supported devices and software.

2 min readRead
Companies

Mistral AI

Mistral AI offers models and products for language and other AI workflows, including hosted access and downloadable releases.

2 min readRead
Companies

Cohere

Cohere provides models and tools for language applications, including generation, embeddings, and reranking.

2 min readRead
Companies

xAI and Grok

The xAI/Grok ecosystem includes conversational models and developer capabilities for tasks involving text, code, voice, images, and video.

2 min readRead
Companies

Hugging Face

Hugging Face provides a platform and open-source tools for sharing and working with models, datasets, and applications.

2 min readRead
Companies

NVIDIA AI

NVIDIA’s AI ecosystem includes computing hardware and software used to train, optimize, and serve models.

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.