Quick summary
Accessing Claude Sonnet 4 requires navigating the model selector beneath the New Chat box and choosing Sonnet 4 from the More Models menu. An active Claude subscription is required to enable and use this model.
Steps
- In the New Chat tab, tap the model selector located directly below the chat input box.
- Hover your cursor over the More Models option in the dropdown menu.
- Find and select Sonnet 4 from the list — note that an active subscription is required to access this model.
