head to head · open source
one-api vs WunderGraph
one-api has 36,932 GitHub stars, 6,867 forks, 1,036 open issues and last shipped 8 months ago. WunderGraph has 1,265 stars, 252 forks, 124 open issues and last shipped yesterday. one-api leads on adoption by 2,820% (36,932 vs 1,265 stars). one-api is written in JavaScript under MIT; WunderGraph is written in TypeScript under Apache-2.0. one-api has attracted 19% as many forks as stars, WunderGraph 20%. WunderGraph 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 | WunderGraph | |
|---|---|---|
| GitHub stars | ★ 37K | ★ 1.3K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | TypeScript |
| Last push | 2026-01-09 | 2026-09-17 |
| Forks | ⑂ 6.9K | ⑂ 252 |
| 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 WunderGraph if
- You want the WunderGraph feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and WunderGraph 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 WunderGraph
WunderGraph Cosmo is an open source lifecycle API management platform for federated GraphQL. It lives in the GraphQL ecosystem, and its GitHub description identifies it as an alternative to Apollo Studio and GraphOS. The project is written in TypeScript and released under the Apache 2.0 license.
read the full WunderGraph overview →
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Frequently asked questions
Is one-api or WunderGraph more popular?
one-api has 36,932 GitHub stars and WunderGraph has 1,265. one-api has the larger community by that measure.
Are one-api and WunderGraph free?
Both are open source. one-api is licensed under MIT and WunderGraph under Apache-2.0. Neither carries a licence fee.
What is the difference between one-api and WunderGraph?
one-api is written in JavaScript and WunderGraph in TypeScript. 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 WunderGraph?
Choose one-api if you want the larger community (36,932 stars) or its MIT licence terms. Choose WunderGraph if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.