I've used Paperspace's Gradient product (hosted Jupyter notebooks), and while it is cheaper than most other options, I can't recommend it. The service has a very janky feel. When I first started, there was an issue where my instance was was stuck "shutting down" for half an hour or more and I couldn't access my code. Then there was a weird issue where some kind of geographical split between different types of instanc…
Eventually they enabled them, but it was such a pointless experience that I was completely turned off using it.