head to head · open source
Pulumi vs Flexprice
Pulumi has 25,694 GitHub stars, 1,431 forks, 2,419 open issues and last shipped yesterday. Flexprice has 5,510 stars, 494 forks, 227 open issues and last shipped yesterday. Pulumi leads on adoption by 366% (25,694 vs 5,510 stars). Pulumi is written in Go under Apache-2.0; Flexprice is written in Go under AGPL-3.0. Pulumi has attracted 6% as many forks as stars, Flexprice 9%. Pulumi was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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
| Pulumi | Flexprice | |
|---|---|---|
| GitHub stars | ★ 26K | ★ 5.5K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Go | Go |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 1.4K | ⑂ 494 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Pulumi if
- You weight community size — 26K 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 Flexprice if
- You want the Flexprice feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Go
- You evaluated both and Flexprice fits your workflow better
About Pulumi
Pulumi is an open source infrastructure as code tool that lets teams define and deploy cloud infrastructure using general purpose programming languages instead of YAML, aimed at developers, platform engineers, and agents working across AWS, Azure, Google Cloud Platform, and Kubernetes.
read the full Pulumi overview →
About Flexprice
Flexprice is an open source metering and billing platform that lets AI native and SaaS teams run usage based, credit based, and hybrid pricing with real time metering and reporting, and it is built for developers who would otherwise have to write billing infrastructure from scratch.
read the full Flexprice overview →
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Frequently asked questions
Is Pulumi or Flexprice more popular?
Pulumi has 25,694 GitHub stars and Flexprice has 5,510. Pulumi has the larger community by that measure.
Are Pulumi and Flexprice free?
Both are open source. Pulumi is licensed under Apache-2.0 and Flexprice under AGPL-3.0. Neither carries a licence fee.
What is the difference between Pulumi and Flexprice?
Pulumi is written in Go and Flexprice 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, Pulumi or Flexprice?
Choose Pulumi if you want the larger community (25,694 stars) or its Apache-2.0 licence terms. Choose Flexprice if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.