I read the documentation and it seems Lumen is Laravel with less features. I must be missing something. I am looking for a comparison table of the components and features of
Why Lumen ?
Lumen is the perfect solution for building Laravel based micro-services and blazing fast APIs. In fact, it's one of the fastest micro-frameworks available. It has never been easier to write stunningly fast services to support your Laravel applications. Doc
Lumen is a framework to build APIs, which will essentially serve JSON responses for your requests. That's it.
These kinds of applications are known as web services in general.
As of Lumen 5.2 update, it doesn't support laravel views, sessions etc... for that you will have to upgrade to full laravel framework.
Some components of the Laravel framework is swapped with other packages in favour of performance. check them here
Example scenarios where we can consider Lumen