head to head · open source
one-api vs kiota
one-api has 36,940 GitHub stars, 6,867 forks, 1,036 open issues and last shipped 8 months ago. kiota has 3,823 stars, 334 forks, 222 open issues and last shipped yesterday. one-api leads on adoption by 866% (36,940 vs 3,823 stars). one-api is written in JavaScript under MIT; kiota is written in C# under MIT. one-api has attracted 19% as many forks as stars, kiota 9%. kiota was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (api), 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 | kiota | |
|---|---|---|
| GitHub stars | ★ 37K | ★ 3.8K |
| License | MIT | MIT |
| Written in | JavaScript | C# |
| Last push | 2026-01-09 | 2026-09-17 |
| Forks | ⑂ 6.9K | ⑂ 334 |
| 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 kiota if
- You want the kiota feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C#
- You evaluated both and kiota 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 kiota
Project Kiota is a command line tool for generating an API client to call any OpenAPI described API you are interested in. The goal is to eliminate the need to take a dependency on a different API SDK for every API that you need to call. Kiota API clients provide a strongly typed experience with all the features you expect from a high quality API SDK, but without having to learn a new library for every HTTP API. This library builds on top of the Microsoft.OpenAPI.NET library to ensure comprehensive support for APIs that use OpenAPI descriptions. One of the goals of the project is to provide the best code generato…
read the full kiota overview →
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Frequently asked questions
Is one-api or kiota more popular?
one-api has 36,940 GitHub stars and kiota has 3,823. one-api has the larger community by that measure.
Are one-api and kiota free?
Both are open source. one-api is licensed under MIT and kiota under MIT. Neither carries a licence fee.
What is the difference between one-api and kiota?
one-api is written in JavaScript and kiota 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 kiota?
Choose one-api if you want the larger community (36,940 stars) or its MIT licence terms. Choose kiota if its feature set, stack or MIT licence fits better. Both are self-hostable.