/settings.
Settings page
This page sets two model slots. Each takes a provider account, which is a credential connected under AI Models, and a model from that account.

Chat model

Runs the inbox AI agent, the campaign generator, the AI nodes and lead scoring.

Embedding model

Indexes knowledge-base documents so the agent can search them.
The model list is fetched from the provider, so it shows what your account can call. If the provider cannot list its models, the picker offers a short preset list and lets you type a model id instead. A model you saved earlier that the provider has since dropped stays selected until you change it. Both slots must have a provider and a model before saving.

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The other settings pages