All current iPad models run the exact same iPadOS and all the same apps.
So, any current iPad model should work for you.
You are paying more for more optional “premium“ iPad features, now. Similar to paying extra for optional features in automobiles.
If contemplating a base model 2020 iPad 8th gen with a 10.2 inch screen, that iPad model can use the original, 1st gen Pencil.
The one with the chrome/silver/metallised top band/cap with a lightning connector magnetic protective cap.
Also, purchase the largest internal data storage option that you can afford as NO Apple iOS device has expandable internal storage.
Here is some info to help you with determining your internal data storage decions.
A 32 GBs storage iPad starts out with approx 30 GBs.,after initial internal flash drive formatting.
Minus approx. 6.5 GBs for iOS/iPadOS leaves between 23-24 GBs.
Minus 2-4 GBs, for iOS/iPadOS system operational reserve, that MUST BE MAINTAINED AT ALL TIMES, to ensure/insure normal, expected operation of iOS/iPad OS, leaves approx. between 20-21GBs of actual, usable data storage space.
While 32 GBs data storage devices are, now, more quickly, becoming the “new” low storage 16 GBs internal data storage space devices, today, a 32 GBs Apple iOS/iPadOS device has 3-4 times the internal data storage space of a much older 16 GBs. internal data storage Apple iOS/iPadOS device.
A 128 GBs storage iPad starts out with approx.119 GBs.,after initial internal flash drive formatting.
Minus approx. 6.5 GBs for iOS/iPadOS leaves between 112-113 GBs.
Minus 2-4 GBs, for iOS/iPadOS system operational reserve, that MUST BE MAINTAINED AT ALL TIMES, to ensure/insure normal, expected operation of iOS/iPad OS, leaves approx. between 109-110 GBs of actual, usable data storage space.
Best of Luck to You!`