head to head · open source
one-api vs dev-proxy
one-api has 36,932 GitHub stars, 6,867 forks, 1,036 open issues and last shipped 8 months ago. dev-proxy has 831 stars, 89 forks, 36 open issues and last shipped yesterday. one-api leads on adoption by 4,344% (36,932 vs 831 stars). one-api is written in JavaScript under MIT; dev-proxy is written in C# under MIT. one-api has attracted 19% as many forks as stars, dev-proxy 11%. dev-proxy 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 | dev-proxy | |
|---|---|---|
| GitHub stars | ★ 37K | ★ 831 |
| License | MIT | MIT |
| Written in | JavaScript | C# |
| Last push | 2026-01-09 | 2026-09-17 |
| Forks | ⑂ 6.9K | ⑂ 89 |
| 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 dev-proxy if
- You want the dev-proxy feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C#
- You evaluated both and dev-proxy 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 dev-proxy
Dev Proxy is an open source, command line API simulator maintained under the .NET Foundation and written in C . It intercepts network requests, which means it works with any type of application and any technology stack rather than being tied to one language or framework. It is free to use and licensed under MIT, with the source living in the developer tools and API testing corner of the .NET ecosystem.
read the full dev-proxy overview →
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Frequently asked questions
Is one-api or dev-proxy more popular?
one-api has 36,932 GitHub stars and dev-proxy has 831. one-api has the larger community by that measure.
Are one-api and dev-proxy free?
Both are open source. one-api is licensed under MIT and dev-proxy under MIT. Neither carries a licence fee.
What is the difference between one-api and dev-proxy?
one-api is written in JavaScript and dev-proxy in C#. 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 dev-proxy?
Choose one-api if you want the larger community (36,932 stars) or its MIT licence terms. Choose dev-proxy if its feature set, stack or MIT licence fits better. Both are self-hostable.