When comparing Actix vs Hapi, the Slant community recommends Actix for most people. In the question“What are the best backend web frameworks?” Actix is ranked 19th while Hapi is ranked 27th.
Ranked in these QuestionsQuestion Ranking
Pro Blazingly fast
Actix provides a lot of features out of box. WebSockets, HTTP/2, pipelining etc
Forget about stringly typed objects, from request to response, everything has types
Easily create your own libraries that any Actix application can use
Pro Backed by a major corporation
Hapi was developed and is still being used by Walmart. Being backed by such a major company means that it will not lose support any time soon and most importantly it's being developed by professionals and that you will always get support for it.
Pro Consistency across applications
Hapi's philosophy is that configuration is more important than code. This is especially useful for very large teams because it helps developers maintain consistency and reusability throughout their code.
Con Requires too much boilerplate
Hapi seems to be made with large applications in mind. The sheer amount of boilerplate code it requires is simply not practical for a small web app. This also means that there are few examples of Hapi applications around for beginners to learn from.