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Settings in the Cortex Design window is a dialog, not a screen you navigate to. It opens over whatever you were doing, from the Settings control in the sidebar, and closing it puts you back on the same canvas or gallery. A Search settings field looks across every pane, which is usually faster than guessing which one holds the row you want. The panes are listed in two groups. Under PREFERENCES you get General, Models, Integrations and Code. Under ACCOUNT you get Data & privacy and Plan & billing. This page covers the three that change how Design behaves, says what the other rows point at, and ends with a list of the controls that are drawn but not switched on yet.

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General

The shortcut list names New design on ⌘ N and Toggle sidebar on ⌘ \, and says that the bindings match Cortex Chat where the two products overlap. Design quickstart has the short list worth learning first.

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Models

This pane is about which model draws your frames, and how much thinking it does before it draws.
  • A card shows the model Cortex is serving today, marked PREVIEW, with a line of what it supports.
  • Default model would set the model new work starts with. It is marked COMING SOON.
  • Default thinking level offers Low, Medium and High, also marked COMING SOON.
  • Show reasoning summaries is a toggle, also marked COMING SOON.
So until those ship, the model and the thinking level are per-canvas choices rather than account defaults. You set them on the chip in the editor’s thread rail, which is covered in Generate and edit. The pane carries one banner worth reading: Model availability depends on your plan. During peak hours new chats may fall back to a faster model. Read it as a statement about what a plan includes rather than as a description of what will happen during your session: the editor’s picker marks a model your account does not include with Not on plan, and today every published model is available from the Free plan up, so that marker is not one you should expect to meet.

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Data & privacy

This pane is the Design window’s view of the same account-wide controls you get elsewhere in Cortex, so the decisions you make here are not Design-only.
Delete all data is not a Design-only control. It schedules the permanent erasure of your account and everything in it, canvases included. Read Data and privacy before you use it, including how long you have to change your mind.
For the two rows marked SOON, and for an export you need today, use the same controls in Cortex Settings in the web app. Memory covers what Cortex remembers and how the list behaves.

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Integrations, Code and Plan & billing

Three rows in the dialog are pointers rather than panes of their own:
  • Integrations holds one line saying that connectors live on the Plugins page, and an Open Plugins button. See Design connectors.
  • Code holds one line and no controls: Code editor preferences stay in Cortex Code. This window is Design-only. Editor preferences are set in Cortex Code, and there is no Chat or Code switcher in the Design window by design.
  • Plan & billing shows what your account is on. The account pages own that subject; see Plans.

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What is not switched on yet

Several rows are drawn with a chip that says they are not ready. Treat every one of them as unavailable rather than as a setting that failed to save:
Nothing in Settings changes how many designs you can keep. An account holds up to 200 design canvases, and that is the only cap on the number of designs. It is not a per-plan allowance and it does not reset on a schedule. See Design canvases.