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657 tutors in 31 topics, built by 75 teachers. Each one follows a lesson plan its teacher wrote.

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Your First RAG Pipeline, End to End

Your First RAG Pipeline, End to End

Build a small retrieval augmented chatbot over your own documents, step by step, and see where it fails.BeginnerBuilding with LLM APIs4.7(3)59 lessonsSample
Emeka NwosuFree
Token Counting and Cost Control

Token Counting and Cost Control

Count tokens, predict what a feature will cost and cut spending without hurting answer quality.BeginnerBuilding with LLM APIs4.3(3)57 lessonsSample
Farid Haddad$4
Pair Programming Habits with an AI Assistant

Pair Programming Habits with an AI Assistant

Work with a coding assistant like a good pair: small steps, clear roles and code you understandBeginnerAI coding assistants4.3(3)56 lessonsSample
Jude Mensah$4
Cleaning Text with Python and Regex

Cleaning Text with Python and Regex

Clean and normalise messy text for AI pipelines with string methods, Unicode care and readable regex.BeginnerPython for AI4.7(3)54 lessonsSample
Efua Mensah$4
Embeddings Explained for Builders

Embeddings Explained for Builders

Understand what embeddings capture, what they miss and how to use them for search, grouping and matching.BeginnerRAG and search4.5(2)53 lessonsSample
Emeka Nwosu$4
Build Your First Eval Set

Build Your First Eval Set

Create a small, honest set of test cases for your LLM feature and use it to judge every change.BeginnerEvaluation and testing4.7(3)52 lessonsSample
Gonzalo IbarraFree
Cost and Latency Budgets for LLM Features

Cost and Latency Budgets for LLM Features

Set cost and speed targets for an LLM feature, measure them honestly and trade them against quality.All levelsBuilding with LLM APIs4.5(2)52 lessonsSample
Farid Haddad$8
Coding Assistants for Students: Learning with Integrity

Coding Assistants for Students: Learning with Integrity

Use AI to understand programming coursework without breaking your course rules or skipping the learningBeginnerAI coding assistants4.5(2)50 lessonsSample
Joanna Kowalczyk$3
Moderation, Refusals and Safe Responses

Moderation, Refusals and Safe Responses

Design how your LLM app handles harmful requests, refusals and sensitive topics, without blocking normal users.All levelsBuilding with LLM APIs4.3(3)49 lessonsSample
Greta Lindqvist$5
Letting an AI Assistant Act for You: Safety Basics

Letting an AI Assistant Act for You: Safety Basics

Use assistants that can browse, send or book on your behalf without handing over more than you meant toBeginnerAI agents4.5(2)48 lessonsSample
Ingrid SolbergFree
Meeting Notes Pipelines from Recording to Tasks

Meeting Notes Pipelines from Recording to Tasks

Turn meeting recordings into accurate notes, decisions and tasks that land where your team worksBeginnerAI automation4.7(3)48 lessonsSample
Hamza Qureshi$4
Writing Task Descriptions a Coding Agent Can Follow

Writing Task Descriptions a Coding Agent Can Follow

Describe coding tasks with goal, context, constraints and done criteria so agents build the right thingBeginnerAI coding assistants4.5(2)47 lessonsSample
Jude Mensah$4