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PART 4 · MODELS
PART 4
MODELS
6 classes. Each class holds its own standalone lessons.
PART 4 CLASSES
CLASSES, THEN LESSONS.
CLASS 7
The Model Is Not the App
Part IV — Models classroom lesson.
READ LESSON →September 11, 2026 · CLASS 7The Coding Agent Is the Operator
Part IV — Models classroom lesson.
READ LESSON →September 11, 2026 · CLASS 7Follow One Request All the Way to a Live Product
Part IV — Models classroom lesson.
READ LESSON →CLASS 8
There Is No Best Model, Only a Best Model for This Job
Part IV — Models classroom lesson.
READ LESSON →September 11, 2026 · CLASS 8How to Read a Model Leaderboard Without Being Fooled by It
Part IV — Models classroom lesson.
READ LESSON →September 11, 2026 · CLASS 8Open Models, Open Weights, and Local Models
Part IV — Models classroom lesson.
READ LESSON →September 11, 2026 · CLASS 8Vision, Audio, and Other Specialized Models
Part IV — Models classroom lesson.
READ LESSON →CLASS 9
Tokens: The Meter Running Under Every AI Conversation
Part IV — Models classroom lesson.
READ LESSON →September 11, 2026 · CLASS 9Context Windows: Why a Long Conversation Can Get Worse
Part IV — Models classroom lesson.
READ LESSON →September 11, 2026 · CLASS 9Context Is a Budget, Not a Dumpster
Part IV — Models classroom lesson.
READ LESSON →CLASS 10
One Interface, Many Model Providers
Part IV — Models classroom lesson.
READ LESSON →September 11, 2026 · CLASS 10Models, Providers, Routes, and Fallbacks
Part IV — Models classroom lesson.
READ LESSON →September 11, 2026 · CLASS 10Privacy and Data Policies When You Route AI Requests
Part IV — Models classroom lesson.
READ LESSON →September 11, 2026 · CLASS 10OpenCode + OpenRouter: The Flexible Multi-Model Coding Setup
Part IV — Models classroom lesson.
READ LESSON →CLASS 11
The AI Market Is Bigger Than Three American Brands
Part IV — Models classroom lesson.
READ LESSON →September 11, 2026 · CLASS 11Use Hugging Face to Investigate a Model Before You Trust It
Part IV — Models classroom lesson.
READ LESSON →September 11, 2026 · CLASS 11Run the Same Test, Then Make a Decision
Part IV — Models classroom lesson.
READ LESSON →CLASS 12
Why a “Cheap” Model Can Become an Expensive System
Part IV — Models classroom lesson.
READ LESSON →September 11, 2026 · CLASS 12Cost Per Useful Result
Part IV — Models classroom lesson.
READ LESSON →September 11, 2026 · CLASS 12Put Guardrails Around Agent Spending
Part IV — Models classroom lesson.
READ LESSON →