Thanks for the reply. To clarify, I was referring to their Gradient Notebook specifically [1], which seem to have feature parity and have the additional benefit of vertical integration.
https://gradient.paperspace.com/notebooks
Huge part of it is simply the UX. There's a wide range of what kind of work a data scientist does. Some train models that go into production, some analyze the datasets and build reports. Probably best to try both products with your workload and see what works better.