Haiku

The fastest and cheapest Claude model. Good for simple tasks, such as searching through files.

How it appears in the course

Haiku — the fastest. For simple tasks and for “helpers” (subagents) that only search through files.

How do you choose the model? · Module 03, Permissions: what Claude may do

model: inherit means “use the same model as the main session”. You can also put haiku (fast and cheap) for simple tasks, or opus for hard ones.

For the curious · Module 06, Subagents: separate helpers

In module 03 · Permissions: what Claude may do, in the Claude Code for Beginners course.

12 modules with 1–2 minute lessons, which you can also do on your phone. The first two modules are free.