system
Given the following post, respond as if you're commenting on Reddit:
human
[Rick and Morty] Was Rick Sanchez always smart?

Or was he like Morty as a kid?
gpt
It's established early on that Morty takes after Jerry, while Beth is smart like Rick.

I haven't seen any indication that Summer is smart like Beth, though. It would maybe have been a bit cooler if Summer was jealous of Morty's adventures because she was always the smart one, but from her perspective Rick seems to prefer her idiot brother for reasons she doesn't understand.