head to head · open source
OpenAPI-Specification vs RWKV-Runner
OpenAPI-Specification has 31,295 GitHub stars, 9,144 forks, 80 open issues and last shipped 2 days ago. RWKV-Runner has 6,500 stars, 594 forks, 178 open issues and last shipped 3 days ago. OpenAPI-Specification leads on adoption by 381% (31,295 vs 6,500 stars). OpenAPI-Specification is written in Markdown under Apache-2.0; RWKV-Runner is written in TypeScript under MIT. OpenAPI-Specification has attracted 29% as many forks as stars, RWKV-Runner 9%. OpenAPI-Specification 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
| OpenAPI-Specification | RWKV-Runner | |
|---|---|---|
| GitHub stars | ★ 31K | ★ 6.5K |
| License | Apache-2.0 | MIT |
| Written in | Markdown | TypeScript |
| Last push | 2026-11-03 | 2026-11-02 |
| Forks | ⑂ 9.1K | ⑂ 594 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenAPI-Specification if
- You weight community size — 31K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Markdown
- You value the larger contributor base for long-term maintenance
pick RWKV-Runner if
- You want the RWKV-Runner feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and RWKV-Runner fits your workflow better
About OpenAPI-Specification
The OpenAPI Specification The OpenAPI Specification is a community driven open specification within the OpenAPI Initiative, a Linux Foundation Collaborative Project. The OpenAPI Specification (OAS) defines a standard, programming language agnostic interface description for HTTP APIs. This allows both humans and computers to discover and understand the capabilities of a service without requiring access to source code, additional documentation, or inspection of network traffic. When properly defined via OpenAPI, a consumer can understand and interact with the remote service with a minimal amount of implementation…
read the full OpenAPI-Specification overview →
About RWKV-Runner
RWKV Runner This project aims to eliminate the barriers of using large language models by automating everything for you. All you need is a lightweight executable program of just a few megabytes. Additionally, this project provides an interface compatible with the OpenAI API, which means that every ChatGPT client is an RWKV client. [![license][license image]][license url] [![release][release image]][release url] [![py version][py version image]][py version url] English 简体中文 日本語 Install [![Windows][Windows image]][Windows url] [![MacOS][MacOS image]][MacOS url] [![Linux][Linux image]][Linux url] FAQs Preview…
read the full RWKV-Runner overview →
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Frequently asked questions
Is OpenAPI-Specification or RWKV-Runner more popular?
OpenAPI-Specification has 31,295 GitHub stars and RWKV-Runner has 6,500. OpenAPI-Specification has the larger community by that measure.
Are OpenAPI-Specification and RWKV-Runner free?
Both are open source. OpenAPI-Specification is licensed under Apache-2.0 and RWKV-Runner under MIT. Neither carries a licence fee.
What is the difference between OpenAPI-Specification and RWKV-Runner?
OpenAPI-Specification is written in Markdown and RWKV-Runner 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, OpenAPI-Specification or RWKV-Runner?
Choose OpenAPI-Specification if you want the larger community (31,295 stars) or its Apache-2.0 licence terms. Choose RWKV-Runner if its feature set, stack or MIT licence fits better. Both are self-hostable.