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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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How language models work Beginner Clear all

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 Next word prediction from the ground up

Next word prediction from the ground up

See how predicting one word at a time produces whole answers, and what temperature changesBeginnerHow language models work4.5(4)86 lessonsSampleBastian Weber$3 Context windows and why chats forget

Context windows and why chats forget

Understand a model's working memory and how to keep long conversations on trackBeginnerHow language models work4.7(3)66 lessonsSampleBastian Weber$4 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 Tokenisation: how text becomes numbers

Tokenisation: how text becomes numbers

See how models split text into tokens, why it matters for cost and context, and where it trips upBeginnerHow language models work4.7(3)56 lessonsSampleNadia HaddadFree Tokens: how models read text

Tokens: how models read text

See how text becomes tokens and why that explains odd model behaviour, limits and costsBeginnerHow language models work4.7(3)54 lessonsSampleBastian Weber$4