OpenTofu is three years old and running in production at Boeing, Capital One, and AMD. Pulumi is growing 45% year-over-year and just shipped an AI agent that provisions infrastructure from natural language.

OpenTofu v1.12 shipped in May 2026 with native state encryption, provider for_each, and early variable evaluation — features Terraform’s open-source CLI still lacks. Three years after the fork, the question is no longer why you should leave Terraform, but why you would stay.