CinemaBlend has established the most powerful Jedi in Star Wars films but, when factoring in the TV shows, the answer is a bit more nuanced. There are some characters, like Grogu, whose power we haven't yet to see the full scope of. So we can't accurately determine where they fall on the scale. We can, however, use science to talk about just how powerful the diminutive warrior is at present, apparently, and the answer is pretty damn amazing.
Remember when Grogu lifted the Mudhorn in The Mandalorian Season 1? We now have an idea of just how wild that feat was, thanks to science. The Science of the Mandalorian, a book by Mark Brake, laid out just how much energy Grogu needed to exert to lift the beast and the short answer was he used a lot of energy (via ScreenRant):
