It’s not the first (or second) time I hear good things about Kagi. I tried it myself, and I ran out of searches quickly because I used it on my work browser, and I do research all the time.
Friendship Ended With GOOGLE Now KAGI Is My Best Friend
The nicest thing I can say about Kagi is that it has fully faded into the background of my life, and that I do not really realize or think about the fact that I am using Kagi. I mean this in a good way.