Hi Yes that’s true, the 2 ways to request Content Fragments are Assets
API and GraphQL.I’m afraid there is no tutorial that compares the two
solutions… But with the AEM Headless Developer Journey you are
mentioning you’ll work with both solutions so I think at the end of the
journey you can see the pro’s and con’s from both solutions. Just for
your information, it will also depend on the use case, not because you
choose to use GraphQL, you can’t use Assets API. In one of my projects
we use both ...