Data & Prompting
Move from model mechanics into model behavior. This course explains why data quality, tokenization, and prompting shape the answers people actually receive.
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A practical beginner course on the inputs that shape model behavior, written to help readers judge output quality instead of trusting fluency.
Move through the course in order.
Phase 1. Behavioral inputs
Study the practical forces that shape output quality before a model ever answers the user.
- 1Why Some Words Are Easy for AI and Others Are Hard
AI does not see words the way humans do. Some words split into clean, simple pieces, while others break into many small parts. In this lesson, we explore why tokenization is uneven and why that affects how models process language.
15 min · Core lessonNext - 2Garbage In, Fluent Garbage Out
A language model learns from patterns in its training data. If that data is messy, biased, outdated, or low quality, the model can produce answers that sound good but are still wrong. In this lesson, we explore why data quality matters more than most people think.
15 min · Core lessonOpen