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Auto allows Summer Engine to select models that balance intelligence, cost efficiency, and reliability. It is useful for everyday tasks. Auto is the default model for new chats and is available on every plan, including Free.

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When to Use Auto

  • Day-to-day game development: gameplay code, UI, scenes, small refactors.
  • Asking questions about your project.
  • Quick edits, prototyping, and exploration.

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When to Use MAX Instead

For the hardest problems — long agentic tasks, complex multi-file refactors, deep reasoning — switch to MAX. See MAX.

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Picking a Specific Model

You can also pick a specific model from the selector instead of Auto or MAX. Paid plans can pick any model; free accounts get a small set of directly selectable models alongside Auto. See Models.
Auto routing is opaque on purpose: the underlying model may change as we improve quality, cost, and reliability. If you need a specific model, pick it directly from the selector.