01
AI Foundations
Understand what AI is, how systems learn, where they fail, and how to judge claims without hype.
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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.
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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.
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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
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Companies
Physical Intelligence and pi-zero
Physical Intelligence (often styled with the pi symbol) is a San Francisco startup building general-purpose AI for robots, and pi-zero is its flagship…
CompaniesOpenAI GPT-4.5 and GPT-5
GPT-4.5 and GPT-5 are OpenAI's flagship large language models that power ChatGPT and its API.
CompaniesAnthropic Claude Opus and Sonnet Tiers
Claude is Anthropic's family of AI assistants, offered in named tiers like Opus, Sonnet, and Haiku that trade off intelligence, speed, and cost.
CompaniesDeepSeek V3 and R1 Reasoning
DeepSeek is a Chinese AI lab whose open-weight models V3 and R1 stunned the industry by matching top reasoning performance at a fraction of the training cost.
CompaniesFigure AI Humanoid Robots
Figure AI is a Silicon Valley startup building general-purpose humanoid robots designed to do physical labor in warehouses, factories, and eventually homes.
CompaniesCovariant RFM-1 and Robotic Foundation Models
Learn Covariant RFM-1 and robotic foundation models: how Covariant trains warehouse robots with vision, language, and action data to generalize to new…
CompaniesBoston Dynamics AI Institute
The Boston Dynamics AI Institute (now the RAI Institute) is a research lab founded by robotics pioneer Marc Raibert to crack the hardest problems…
CompaniesServiceNow and StarCoder
StarCoder is an open large language model for code, built by ServiceNow Research and Hugging Face through the BigCode project.
CompaniesBigScience and the BLOOM Model
BigScience was a year-long open research collaboration of over 1,000 researchers that produced BLOOM, one of the first truly multilingual, openly released…
CompaniesLAION and Open Datasets
LAION is a German nonprofit that released massive open image-text datasets, most famously LAION-5B, which fueled the training of open generative models like…
CompaniesContextual AI Enterprise RAG
Contextual AI builds end-to-end retrieval-augmented generation (RAG) systems for enterprises, founded by the researchers who coined the term RAG.
CompaniesImbue Reasoning Agents
Imbue is an AI lab building agents that can reason, code, and act robustly enough to be trusted with real tasks.
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