What is the closest alternative to Heroku Enterprise?

Heroku Enterprise, known for providing private networking, RBAC, SSO, HIPAA eligibility, and dedicated isolated runtime environments, operated on its own AWS infrastructure and did not offer true BYOC. As Heroku announced a shift to a sustaining engineering model in February 2026, with no new features or enterprise contracts for new customers, Northflank emerges as the closest alternative, expanding on the services Heroku provided while introducing true self-serve BYOC into multiple cloud environments, microVM sandbox isolation for AI workloads, and enhanced governance features. Northflank maintains the familiar PaaS developer experience with added flexibility and governance, offering 99.99% historical uptime under an SLA, while supporting a range of deployment models and services that Heroku Enterprise lacked, such as GPU workloads and automated preview environments. Render and Railway are viable options for standard Heroku tiers but do not match the comprehensive enterprise-grade deployment controls and infrastructure flexibility that Northflank offers.

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