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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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Spreadsheets as an Automation Backend

Spreadsheets as an Automation Backend

Design a spreadsheet that automations can read and write reliably without breakingBeginnerAI automation4.5(2)44 lessonsSample
Isabela Duarte$5
Using Agentic Features in Everyday Assistants

Using Agentic Features in Everyday Assistants

Get real value from research modes, task modes and connected apps in the assistants you already useBeginnerAI agents4.0(3)44 lessonsSample
Jamal HaddadFree
Tests First with a Coding Assistant

Tests First with a Coding Assistant

Write the tests yourself, let the assistant make them pass, and keep the specification in your handsIntermediateAI coding assistants4.5(2)44 lessonsSample
Ilse Vermeulen$8
Customer Support Agents That Know Their Limits

Customer Support Agents That Know Their Limits

Design a support agent that answers well, admits uncertainty and hands off to people at the right momentIntermediateAI agents4.7(3)43 lessonsSample
Jamal Haddad$8
Agent Cost and Latency Control

Agent Cost and Latency Control

Find where your agent spends money and time, then cut both without losing qualityIntermediateAI agents4.0(3)43 lessonsSample
Hiroshi Tanabe$8
Streaming Responses to Your Interface

Streaming Responses to Your Interface

Stream model output token by token from the API through your backend to the browser, errors included.IntermediateBuilding with LLM APIs4.5(2)43 lessonsSample
Gabriela Sousa$6
LLM APIs Explained for Product Teams

LLM APIs Explained for Product Teams

Understand what your engineers mean by tokens, context, latency and rate limits, and ask better questions.All levelsBuilding with LLM APIs4.7(3)43 lessonsSample
Gabriela Sousa$4
Measuring Hallucination in LLM Apps

Measuring Hallucination in LLM Apps

Measure how often your app states unsupported things, with claim level checks you can repeat and trust.IntermediateEvaluation and testing4.5(2)42 lessonsSample
Gonzalo Ibarra$8
Regression Testing Your Prompts

Regression Testing Your Prompts

Catch quality drops before users do by running an eval suite on every prompt, model or setting change.IntermediateEvaluation and testing4.5(2)42 lessonsSample
Gonzalo Ibarra$7
Plotting Data with Python Charts

Plotting Data with Python Charts

Make clear, honest charts in Python, from quick looks at data to training curves you can trust.BeginnerPython for AI4.5(2)42 lessonsSample
Felix BrandtFree
Async Python for Many API Calls

Async Python for Many API Calls

Run hundreds of model or web API calls concurrently with asyncio, limits, retries and clean results.AdvancedBuilding with LLM APIs4.7(3)41 lessonsSample
Felix Brandt$9
Chunking Documents for Retrieval

Chunking Documents for Retrieval

Split documents into retrievable chunks that keep their meaning, then tune chunk size with real measurements.IntermediateRAG and search4.5(2)41 lessonsSample
Emeka Nwosu$6