head to head · open source
kubernetes vs Pulumi
kubernetes has 128,842 GitHub stars, 45,758 forks, 3,072 open issues and last shipped 2 days ago. Pulumi has 25,840 stars, 1,478 forks, 2,419 open issues and last shipped 2 days ago. kubernetes leads on adoption by 399% (128,842 vs 25,840 stars). kubernetes is written in Go under Apache-2.0; Pulumi is written in Go under Apache-2.0. kubernetes has attracted 36% as many forks as stars, Pulumi 6%. Pulumi was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (containers, go), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| kubernetes | Pulumi | |
|---|---|---|
| GitHub stars | ★ 129K | ★ 26K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 46K | ⑂ 1.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick kubernetes if
- You weight community size — 129K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick Pulumi if
- You want the Pulumi feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and Pulumi fits your workflow better
About kubernetes
Kubernetes (K8s) Kubernetes, also known as K8s, is an open source system for managing [containerized applications] across multiple hosts. It provides basic mechanisms for the deployment, maintenance, and scaling of applications. Kubernetes builds upon a decade and a half of experience at Google running production workloads at scale using a system called [Borg], combined with best of breed ideas and practices from the community. Kubernetes is hosted by the Cloud Native Computing Foundation ([CNCF]). If your company wants to help shape the evolution of technologies that are container packaged, dynamically…
read the full kubernetes overview →
About Pulumi
Infrastructure as Code for Humans and Agents Pulumi Infrastructure as Code is the easiest way to build and deploy infrastructure, of any architecture and on any cloud, using programming languages that you already know and love. Code and ship infrastructure faster with your favorite languages and tools, and embed IaC anywhere with Automation API. Simply write code in your favorite language and Pulumi automatically provisions and manages your resources on AWS, Azure, Google Cloud Platform, Kubernetes, and 300+ providers using an infrastructure as code approach. Skip the YAML, and use standard language features…
read the full Pulumi overview →
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Frequently asked questions
Is kubernetes or Pulumi more popular?
kubernetes has 128,842 GitHub stars and Pulumi has 25,840. kubernetes has the larger community by that measure.
Are kubernetes and Pulumi free?
Both are open source. kubernetes is licensed under Apache-2.0 and Pulumi under Apache-2.0. Neither carries a licence fee.
What is the difference between kubernetes and Pulumi?
kubernetes is written in Go and Pulumi in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, kubernetes or Pulumi?
Choose kubernetes if you want the larger community (128,842 stars) or its Apache-2.0 licence terms. Choose Pulumi if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.