They are rare, but I have 2 that I know of, so not unheard of
Brilliant Move on Chess.com Analysis Tool.

I runned this game again on the "Maximum analysis depth" and the engine didn't think it was Brilliant move. Then I had another game with a "brilliant move" but this time I runned it on the max analysis tool right away and it gave me "2 Brilliant moves" instead of 1. Check the game on the video:

is there any way i can search a log of my moves for a brilliant move i made months ago? i am so sad rn i cant find the game, mightve even been a different account... but im a mediocre so this was a massive highlight for me and im kicking myself for losing the evidence
Have you had any brilliant move on your games of chess.com? I was shocked to have it in one of my games, specially in a 2 minutes bullet game. I have analyzed many games of NM, GMs and I haven't seen it, what makes the ''Brilliant Move" very rare. I am in the BETA community, so I'm not sure if now we will see more brilliant moves out there.
Please check the game in the video and share your thoughts. Thanks!
https://youtu.be/5pvUdoRD05c