head to head · open source
one-api vs swag
one-api has 36,932 GitHub stars, 6,867 forks, 1,036 open issues and last shipped 8 months ago. swag has 13,024 stars, 1,547 forks, 476 open issues and last shipped 5 days ago. one-api leads on adoption by 184% (36,932 vs 13,024 stars). one-api is written in JavaScript under MIT; swag is written in Go under MIT. one-api has attracted 19% as many forks as stars, swag 12%. swag 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 | swag | |
|---|---|---|
| GitHub stars | ★ 37K | ★ 13K |
| License | MIT | MIT |
| Written in | JavaScript | Go |
| Last push | 2026-01-09 | 2026-09-13 |
| Forks | ⑂ 6.9K | ⑂ 1.5K |
| 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 swag if
- You want the swag feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and swag 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 swag
Swag is a command line tool that converts Go source annotations into Swagger 2.0 documentation. It lives in the Go ecosystem, is distributed under the MIT license, and is maintained by the swaggo organization. The project has been active for nine years, with the most recent push recorded in September 2026, and it carries roughly 13,000 stars and 1,545 forks on GitHub.
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Frequently asked questions
Is one-api or swag more popular?
one-api has 36,932 GitHub stars and swag has 13,024. one-api has the larger community by that measure.
Are one-api and swag free?
Both are open source. one-api is licensed under MIT and swag under MIT. Neither carries a licence fee.
What is the difference between one-api and swag?
one-api is written in JavaScript and swag 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 swag?
Choose one-api if you want the larger community (36,932 stars) or its MIT licence terms. Choose swag if its feature set, stack or MIT licence fits better. Both are self-hostable.