Terraform vs. Pulumi in 2026: Which Should You Learn First?

If you're getting into infrastructure as code, you hit the same fork in the road I did: Terraform or Pulumi? Both let you define cloud infrastructure in files instead of clicking around a console. Both are widely used. So which one do you actually learn first?

Short answer: learn Terraform first, then try Pulumi once you understand the core ideas. I'll explain why, and when the opposite makes sense.

What They Actually Are

Terraform came out in 2014 and became the default way teams manage cloud infrastructure. You write config in a language called HCL (HashiCorp Configuration Language), run a plan, and apply it. It's declarative, which means you describe the end state and Terraform figures out the steps to get there.

Pulumi arrived in 2018 with a different bet. Instead of a custom language, you write infrastructure in a language you probably already know: Python, TypeScript, Go, C#, or Java. Six languages in total. Same goal, real code.

The 2026 License Situation You Can't Ignore

This is the part that changed everything, and it's why the "which should I learn" question is more loaded than it used to be.

In August 2023, HashiCorp changed Terraform's license from open source to the Business Source License. You can still use Terraform for free to manage your own infrastructure, but the change upset a lot of the community. So they forked it and created OpenTofu, which is true open source under the Linux Foundation. Then in February 2025, IBM closed a $6.4 billion deal to acquire HashiCorp.

Here's the good news for a learner: OpenTofu is a drop-in replacement for Terraform. Same HCL, same commands. As of mid-2026 it lists more than 3,900 providers. So learning "Terraform" today really means learning HCL, and that skill works across both Terraform and OpenTofu. You're not betting your time on one company.

Pulumi stayed permissively open source (Apache 2.0) the whole time, which is a fair point in its favor.

HCL vs Real Code

This is the biggest day-to-day difference.

With Terraform you learn HCL. It's easy to read and hard to misuse, but it's a limited language. When you need loops or conditionals, it can get awkward.

With Pulumi you use a real programming language. If you already write Python or TypeScript, that's a head start. You get loops, functions, tests, and your normal editor tools. The tradeoff is that you can also write overly clever infrastructure code that the next person struggles to follow.

What the Job Market Looks Like

I scanned job boards while writing this, and it isn't close: Terraform shows up in far more infrastructure and DevOps listings than Pulumi. If your goal is getting hired in the next year or two, that matters. Most teams already running cloud infrastructure are on Terraform or moving to OpenTofu, not switching to Pulumi.

So Which Do You Learn First?

Learn Terraform, or OpenTofu, first. Three reasons:

• It's what most jobs ask for, so it pays off faster.
• HCL forces you to think in terms of desired state, which is the core idea behind all of these tools. Once that clicks, any IaC tool makes sense.
• The community, examples, and Stack Overflow answers are much bigger, so you get unstuck faster as a beginner.

Learn Pulumi second, or even first, if one of these is true: you already write Python or TypeScript every day and want to reuse that skill, or your team has already chosen Pulumi. In those cases the real-language advantage is worth a lot, and there's no reason to fight it.