google apps - Which version of Gapps to install for Lineage?

I am going to install Lineage and I need to decide which version of open Gapps to use.

I use lots of Google apps (Google Play Store, Gmail, Calendar, Photos, Music, Google search, Translate, Keep etc.). But, I am fine with installing them one by one, from Google Play store. So, I prefer a minimalist version so that, I don't need to keep anything that I don't use. Therefore, my first thought was Pico Gapps. But, this version does not include offline speech recognition files. Can these be installed later from the google store? Or, if I want to be able to use the "ok google" voice command, do I need to install Nano Gapps?

Also, are there any other obstacles I am not aware of? I want to be able to install anything else from the play store (and not to be forced to flash anything later).