I tried brave, Ecosia and DDG after using Kagi.
While I went back to Kagi I found brave the best baring a few issues.
Ecosia and DDG were basically just Bing.
Brave while WAY worse on the odd query but it did the best on niche queries and reddit results were inline (love or hate them they are a great resource).
I'd recommend trying lots of queries out that you will use.