"The developer preview supports up to 3 gears per user. You have a quota of 40,000 files, 1GB of storage, and 512MB Memory per gear. It is free to use and you can run your application indefinitely. If you need to increase this quota, please mailto:openshift@redhat.com with your username, domain and Application URL."
I think they mean free as in speech more than free as in beer.
Of course, it is currently in a developer preview and so also free as in beer, but I think that's incidental--this is Red Hat after all; they actually care about users' freedom and they aren't afraid of offering paid plans and support.
Happily, since it's open source, you can just host it yourself if you aren't happy with Red Hat's potential future pricing.
