I don’t think they’re that far apart honestly in terms of quality
One just has slightly better aspects of a story than the other, I feel like I need to rewatch Predators though. I saw it about 3 years ago and rewatched the Swordfight scene at work and liked it. My only issue is the characters barring Brody’s weren’t as memorable as Nebraska and Mcinnon, and I legitimately liked the group camaraderie in The Predator. Predators definitely was truer to the spirit of the Older films, and as I mentioned quality wise it’s only better by a little.