The meaningful differences come down to two things: obstacle avoidance and battery life. The Mini 3 Pro has front, rear, and downward obstacle sensing — the base Mini 3 has zero avoidance. On battery life, the base Mini 3 gets 51 minutes on the Plus battery vs Mini 3 Pro's 47 minutes, so the base model actually flies longer. Camera quality is virtually identical — both use the same 1/1.3-inch sensor, 4K/60fps, and True Vertical Shooting.
The buying decision is simple: if obstacle avoidance matters (beginner pilot, flying near trees and structures, using automated tracking modes), pay for the Mini 3 Pro. If you fly carefully in open environments and don't need avoidance, the base Mini 3 gives you the same camera and longer flight time for less money. For beginners, the Mini 3 Pro's sensors are worth the premium — they've saved many drones from preventable first-month crashes.
Check DJI Mini 3 on Amazon