head to head · open source
one-api vs kpt
one-api has 36,940 GitHub stars, 6,867 forks, 1,036 open issues and last shipped 8 months ago. kpt has 1,894 stars, 265 forks, 324 open issues and last shipped 2 days ago. one-api leads on adoption by 1,850% (36,940 vs 1,894 stars). one-api is written in JavaScript under MIT; kpt is written in Go under Apache-2.0. one-api has attracted 19% as many forks as stars, kpt 14%. kpt was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| one-api | kpt | |
|---|---|---|
| GitHub stars | ★ 37K | ★ 1.9K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Go |
| Last push | 2026-01-09 | 2026-09-17 |
| Forks | ⑂ 6.9K | ⑂ 265 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick one-api if
- You weight community size — 37K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick kpt if
- You want the kpt 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 kpt fits your workflow better
About one-api
One API is a self hosted LLM API management and key redistribution system that exposes many model providers through the standard OpenAI API format, aimed at developers, teams and operators who want a single endpoint, a single key model and a single quota surface across providers.
read the full one-api overview →
About kpt
kpt is an Apache 2.0, Go based, package centric toolchain that automates the authoring, transformation, validation, and delivery of Kubernetes configuration as data, aimed at platform engineers and infrastructure teams that manage Kubernetes platforms and KRM driven infrastructure at scale.
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Frequently asked questions
Is one-api or kpt more popular?
one-api has 36,940 GitHub stars and kpt has 1,894. one-api has the larger community by that measure.
Are one-api and kpt free?
Both are open source. one-api is licensed under MIT and kpt under Apache-2.0. Neither carries a licence fee.
What is the difference between one-api and kpt?
one-api is written in JavaScript and kpt 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, one-api or kpt?
Choose one-api if you want the larger community (36,940 stars) or its MIT licence terms. Choose kpt if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.