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Beginner · 4 modules
AI Foundations
Understand what AI is, how systems learn, where they fail, and how to judge claims without hype.
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188 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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Each course includes explicit outcomes, mapped competencies, practice activities, and an applied capstone.
Beginner · 4 modules
Responsible AI User
Use AI productively while protecting privacy, checking outputs, and preserving human accountability.
~5h to completeView courseIntermediate · 4 modules
AI at Work
Evaluate workplace use cases, run safe pilots, measure value, and communicate changes responsibly.
~6h to completeView courseIntermediate · 4 modules
AI Policy & Society
Analyze AI systems through rights, equity, governance, safety, and public-interest outcomes.
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Building with AI Systems
Understand language models, retrieval, agents, evaluation, cost, and deployment safeguards through practical system design.
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Jump into the area you care about. Every track has multiple plain-English guides.
- 134 guidesFundamentalsCore concepts: how AI works at a high level.Explore
- 272 guidesLanguage AILLMs, NLP, ChatGPT, prompting, and text understanding.Explore
- 298 guidesVisual AIImage generation, computer vision, video, and design.Explore
- 188 guidesAudio AIVoice, music, podcasting, and audio-first AI.Explore
- 145 guidesCompaniesProfiles of OpenAI, Anthropic, Google, Meta, and more.Explore
- 761 guidesApplicationsHow AI shows up in coding, search, agents, and daily life.Explore
- 244 guidesIndustriesAI in healthcare, finance, education, energy, and more.Explore
- 536 guidesTechnicalChips, fine-tuning, RAG, vectors, and AI infrastructure.Explore
- 422 guidesSocietyBias, privacy, copyright, safety, and the AI future.Explore
Full library
Audio AI
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- Audio AIDialogue, Music and Effects SeparationCinematic audio separation estimates dialogue, music and sound-effects stems from a mixed soundtrack. Free plain-English guide.3 min readRead
- Audio AILibriSpeech Speech Recognition BenchmarkLibriSpeech is a widely used English automatic-speech-recognition corpus derived from public-domain audiobooks and associated text.3 min readRead
- Audio AIMeta MMS and Massively Multilingual SpeechMeta’s Massively Multilingual Speech project, or MMS, developed speech models and data methods for many more languages than earlier common ASR benchmarks…3 min readRead
- Audio AIMozilla Common Voice DatasetMozilla Common Voice is a community-led collection of speech clips and transcripts that supports language-technology research. Free plain-English guide.3 min readRead
- Audio AIMUSDB18 Music Separation BenchmarkMUSDB18 is a music source-separation dataset of full tracks with mixture audio and isolated vocals, drums, bass and other stems. Free plain-English guide.3 min readRead
- Audio AIPANNs: Pretrained Audio Neural NetworksPANNs are audio neural networks pretrained on AudioSet to learn representations for sound recognition. Free plain-English guide.3 min readRead
- Audio AISI-SDR for Audio Source SeparationScale-invariant signal-to-distortion ratio, or SI-SDR, compares an estimated audio source with a reference after allowing one overall gain adjustment.3 min readRead
- Audio AIWavLM Speech RepresentationsWavLM is a self-supervised speech representation model that learns useful features from large amounts of audio without needing a transcript for every…3 min readRead
- Audio AIAudio Spectrogram Transformer (AST)The Audio Spectrogram Transformer converts a sound recording into a spectrogram and models patches of it with transformer attention for audio classification.3 min readRead
- Audio AICLAP: Contrastive Language-Audio PretrainingCLAP trains an audio encoder and a text encoder so matched sounds and descriptions land near one another in a shared representation space.3 min readRead
- Audio AIDCASE Challenge for Acoustic Scenes and EventsDCASE is a research challenge and workshop on detecting and classifying acoustic scenes and sound events. Free plain-English guide.3 min readRead
- Audio AIPSDS for Sound Event Detection EvaluationPolyphonic Sound Detection Score, or PSDS, evaluates sound-event detectors across operating thresholds rather than judging one chosen cutoff alone.3 min readRead
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