head to head · open source
one-api vs scalecube-services
one-api has 36,940 GitHub stars, 6,867 forks, 1,036 open issues and last shipped 8 months ago. scalecube-services has 638 stars, 111 forks, 17 open issues and last shipped 2 days ago. one-api leads on adoption by 5,690% (36,940 vs 638 stars). one-api is written in JavaScript under MIT; scalecube-services is written in Java under Apache-2.0. one-api has attracted 19% as many forks as stars, scalecube-services 17%. scalecube-services was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (api-gateway), 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
| one-api | scalecube-services | |
|---|---|---|
| GitHub stars | ★ 37K | ★ 638 |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Java |
| Last push | 2026-01-09 | 2026-09-16 |
| Forks | ⑂ 6.9K | ⑂ 111 |
| 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 scalecube-services if
- You want the scalecube-services feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and scalecube-services 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 scalecube-services
scalecube services MICROSERVICES 2.0 ScaleCube is a microservices library designed for high throughput and lower latency, catering to scalable and reactive system needs. It excels in API gateway integration, service discovery, and load balancing, employing the SWIM protocol for efficient cluster management. Its modular architecture supports various pluggable communication modules, enabling seamless and flexible deployments. With a focus on real time stream processing and fault tolerance, ScaleCube ensures optimal performance and reliability for distributed microservices environments. Reactive microservices commun…
read the full scalecube-services overview →
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Frequently asked questions
Is one-api or scalecube-services more popular?
one-api has 36,940 GitHub stars and scalecube-services has 638. one-api has the larger community by that measure.
Are one-api and scalecube-services free?
Both are open source. one-api is licensed under MIT and scalecube-services under Apache-2.0. Neither carries a licence fee.
What is the difference between one-api and scalecube-services?
one-api is written in JavaScript and scalecube-services in Java. 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 scalecube-services?
Choose one-api if you want the larger community (36,940 stars) or its MIT licence terms. Choose scalecube-services if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.