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You pick which Nito-supported model answers in two ways: set a saved default, or override it for a single call. Browsing the catalog is how you find one.
Choosing a model through Nito never changes your harness’s own model. model sets the model Nito uses for its commands; your Claude Code or Codex session keeps running on whatever model it was already using.

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Browse the Catalog

Lists the models available to your account, with their type and privacy reach. For the full catalog reference, see Models.

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Set a Durable Default

Saves your default model. That default is used by future ask, continue, and private/session launches when you do not pass --model. It does not change your harness’s active session model, and Fusion participant models always stay explicit.

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Override for One Call

Every command that takes a model accepts --model <id> to override the default for that single call:

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Default When You Have No Preference

If you have never set a default, ask uses a built-in default model so your first call works without a model-picker round trip. Set your own default once you know which model you prefer.

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Next

For the current catalog, see the Model List. For what a model’s privacy level means, see Privacy Levels.