[sfaist]

If you're self-hosting, you can bring your own model and there are no limitiations. For the hosted version, we currently do custom pricing agreements with our customers using this in prod, and keep it free for hobbyists within fair use limits. We still need to figure out what the boundaries will be, tbh.

On your open source question, we accept contributions from non-team-members and have done so in the past, particularly on bugs or new features on the backend.