Apple has discontinued the iPhone 15 Pro, so you'll need an iPhone 16 for Apple Intelligence

[iMore.com]

Apple Intelligence is now only available on iPhone 16 and 16 Pro models, unless you buy a used iPhone 15 Pro.

Apple has discontinued the iPhone 15 Pro, so you'll need an iPhone 16 for Apple Intelligence : Read more

 

[MorganNelson]

This is patently false. Apple has publicly stated that the iPhone 15 Pro and iPhone 15 Pro Max will support Apple Intelligence.

You may not be able to purchase an iPhone 15 pro/Pro Max BUT they will still be supported for Apple Intelligence.