Opus

The most powerful Claude model, but also the most expensive. Good for planning, architecture and hard problems.

How it appears in the course

A colon : ties a name to its value: "model": "opus" means “the model is opus”.
What is a settings file? · Module 03, Permissions: what Claude may do
Flags are options you write after a command, for example claude --model opus.
Where do the settings files live, and which one matters most? · Module 03, Permissions: what Claude may do
Or you write it in the settings file: "model": "opus".
How do you choose the model? · Module 03, Permissions: what Claude may do

Where you learn it

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

Related terms

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