Our main differentiator today is a much quicker time to go live - which usually boils down to us providing more hosted UIs out of the box, guides focused on B2B use cases, and libraries that are more centered around organizations.

Anecdotally, pretty much every startup we talked to that tried to use Auth0's organizations either stopped pretty quickly or ripped it out due to API slowness.

If you've used their org support, I'd love to chat to hear more