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Claude Pro: Opus model will only be available if extra usage is enabled


This guide shows you three ways to change which Claude model you're using with Claude Code: the quick /model command for instant changes, the --model flag for one-time session changes, and environment variables to set your preferred model as the permanent default. Easiest method: Use /model command The simplest way to change models is to use the /model command directly within Claude Code.

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opus model

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