Ranges within the Jedi Order of Star Wars have always been more or less clear for fans of the Expanded Universe, but certainly have changed more over time than Padme Amidala of modelito (and hairstyle). In 2020 the hierarchy of the Jedi Order was unified in order to have a clear pattern when it comes to knowing the ranks of the Order, clearly establishing that the Grand Masters were the highest position within their ranks, the chiefs of the Jedi Order. , almost similar to the Pope, to put a simile in the real world.
The Grand Master Yoda was the only Grand Master Jedi known within new Star Wars canon (In Legends were a few). This fact has changed since the arrival of Star Wars: The High Republic, which has introduced two new Jedi Grand Masters.