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Foundations 89

All Foundations89 AI basics25 How language models work23 AI safety and ethics49

Everyday AI 91

All Everyday AI91 Prompting20 ChatGPT and Claude at work25 AI for writing29 AI for research and study33

Building with AI 162

All Building with AI162 Python for AI21 Building with LLM APIs30 RAG and search21 Evaluation and testing21 AI agents31 AI automation25 AI coding assistants30

Machine learning 149

All Machine learning149 Machine learning35 Data science and statistics30 Math for AI23 Deep learning28 NLP14 Computer vision14 Fine tuning and training12 MLOps and deployment18

Creative AI 77

All Creative AI77 Image and video AI58 Audio and voice AI12 AI for design33

AI at work 145

All AI at work145 AI for business34 AI for marketing and sales23 AI for product and operations28 AI for education28 AI for professionals29 AI careers18

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Why language models make things up

Why language models make things up

Understand the causes of hallucination and build habits that catch it before it costs youAll levelsAI safety and ethics4.4(5)122 lessonsSampleBastian Weber$5 Fair Hiring: AI in Recruiting Without Bias

Fair Hiring: AI in Recruiting Without Bias

Use AI to write better job ads, structure interviews and screen fairly, with humans making decisionsAll levelsAI for professionals4.3(4)85 lessonsSampleYasmin Farouk$7 How to keep learning as AI changes

How to keep learning as AI changes

Build a sustainable personal system for staying current in AI without drowning in newsAll levelsAI basics4.7(3)69 lessonsSampleBao TranFree Ethics for people building AI products

Ethics for people building AI products

Build harm analysis, documentation and incident handling into AI product work from day oneAdvancedAI safety and ethics4.7(3)67 lessonsSampleAisha Rahman$10 Open versus closed models, explained fairly

Open versus closed models, explained fairly

Understand open weights, open source and closed APIs, and how to choose between themAll levelsHow language models work4.3(3)62 lessonsSampleBenedict Asante$5 Vision language models: what they see

Vision language models: what they see

Know how AI models read images, what they get right and wrong, and how to check their answersAll levelsComputer vision4.7(3)61 lessonsSampleNoor Siddiqui$6 The transformer, block by block

The transformer, block by block

Trace a token through every part of a transformer and count where the parameters liveAdvancedDeep learning4.7(3)60 lessonsSampleNikolai Sorin$12 AI risk assessment for a project

AI risk assessment for a project

Assess an AI project's risks with a clear method, a risk register and controls that are testedAdvancedAI safety and ethics4.5(2)56 lessonsSampleAlejandra Ruiz$10 AI for sceptics: an honest look

AI for sceptics: an honest look

A free, evidence first look at what AI does well, where the hype outruns reality, and whyAll levelsAI basics4.0(3)55 lessonsSampleBruno AzevedoFree Writing a School AI Policy for School Leaders

Writing a School AI Policy for School Leaders

Draft, consult on and launch a workable AI policy covering staff, pupils, data and assessmentAdvancedAI for education4.7(3)55 lessonsSampleUma Raghavan$11 From pretrained model to helpful assistant

From pretrained model to helpful assistant

Learn how instruction tuning, preference training and system prompts turn a predictor into an assistantAdvancedHow language models work4.5(2)51 lessonsSampleBastian Weber$9 The attention formula, step by step

The attention formula, step by step

Work through queries, keys, values and softmax by hand until the transformer equation makes senseAdvancedHow language models work4.5(2)48 lessonsSampleBastian Weber$9