1. Neither of these are open source. Also, the only option that can be run on premise
2. We take a modular approach to our architecture. This enables developers to choose only the features SuperTokens they need for their use case. They need not worry about complications associated with other features (eg: SSO and OAuth if you don’t need it) and this in turn makes it easier to implement and manage SuperTokens. This is not true for the others. Regardless of your use case, you likely have to worry about Oauth flows and integrating with a '3rd party' app.
3. Heavy focus on keeping documentation simple and easy to understand. We want to 'just work' for you. We spend a significant amount of our effort on simplifying every step of implementation (this is ongoing and iterative). we've often had complaints from auth0 and cognito users for this.
4. Pricing (compared to Auth0 atleast)