Autocomplete vs Instant Search Result Page?

Algolia can be used to build a large variety of user experiences. The two main categories of interfaces that we see are autocomplete menus and instant search results pages:

1/ Autocomplete menuThe autocomplete menu is an interface based on a dropdown that displays the results of the search. It can display results for one or several categories of data (one or several indices).

2/ Instant search results pageThe instant search result page is an interface where the whole page gets updated instantly as soon as the user starts typing. This is the most immersive experience.