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Every chat runs on Apers’ default model unless you choose otherwise. Two toggles in the chat composer change that: Max for the most capable model, and the Alternate model as a backup. Eco Mode switches on by itself when you run out of credits.

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The Modes

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mode
What every chat uses unless you turn on another mode. The right choice for most work.
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mode
The most capable model, for complex analysis. Click Max in the chat composer to turn it on. It uses about twice the credits of the default model, and it’s available on Pro and above.
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mode
A backup model from a different AI provider. Turn it on with the Alternate model toggle (the layers icon) in the chat composer if the default model is having trouble or isn’t responding. It’s available on every plan, including in Eco Mode.
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mode
Not a toggle: subscribers switch to Eco Mode automatically when their credit balance reaches zero, and chat continues at no credit cost on a lighter model. See When You Run Out.

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How the Modes Combine

  • Max Mode and the Alternate Model are mutually exclusive. Turning one on turns the other off.
  • Max Mode is unavailable in Eco Mode. If you had Max Mode on, it comes back once your credits are refilled.
  • The Alternate Model works in Eco Mode, still at no credit cost, so it’s a backup for Eco Mode too.
  • Your choice stays on for that browser tab until you turn it off, so new messages in the tab keep using it.
Start with the default model. Reach for Max Mode when a task needs deeper reasoning, such as reviewing a complex model for errors or working through a tricky deal structure.

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Retrying a Response in Another Mode

If a response isn’t what you wanted, click the Regenerate response icon under it. The menu offers: If your plan doesn’t include Max Mode, the Max Mode option is labeled Pro plan.
Last modified on October 30, 2026