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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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Choosing the Right Model for a Task

Choosing the Right Model for a Task

Pick a model by testing it on your own task, weighing quality, speed, cost, context and data handling.All levelsBuilding with LLM APIs4.3(3)60 lessonsSample
Gabriela Sousa$5
Fallbacks for Provider Outages and Errors

Fallbacks for Provider Outages and Errors

Keep LLM features working through outages, overloads and slowdowns with deadlines, breakers and fallbacks.AdvancedBuilding with LLM APIs4.7(3)60 lessonsSample
Farid Haddad$11
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
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
Prompt Injection Defences for LLM Apps

Prompt Injection Defences for LLM Apps

Design LLM apps that stay safe when users, documents, web pages or tool results contain hostile instructions.AdvancedBuilding with LLM APIs4.7(3)49 lessonsSample
Greta Lindqvist$12
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
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
LLM APIs on a Solo Developer Budget

LLM APIs on a Solo Developer Budget

Build and launch a side project on model APIs without a surprise bill, abuse or an overbuilt setup.All levelsBuilding with LLM APIsNew
Farid Haddad$4