Short answer: Use an image generation API to create the base asset, then use Lanczos upscaling for 2x or 4x delivery when a production support app needs a larger resolution; choose an external AI upscaler only when recovered detail matters more than latency and operational simplicity. For a support-ticket triage app, generate the first image at its native size, then enlarge it only when a customer needs a hero image, print asset, or high-DPI preview. That keeps the fast path small and makes ...