Azure Red Hat OpenShift is a managed service that offers OpenShift clusters on Microsoft Azure. It is jointly engineered and operated by Microsoft and Red Hat with an integrated support experience. Each Azure Red Hat OpenShift cluster is single-tenant (dedicated to a single customer).
Red Hat OpenShift Dedicated is a service hosted and managed by Red Hat that offers clusters in a virtual private cloud on AWS and Google Cloud.
Red Hat OpenShift Online is a multi-tenant cloud service that allows individual developers to quickly gain access to a hosted OpenShift environment.