head to head · open source
Open WebUI vs koishi
Open WebUI has 157,575 GitHub stars, 22,923 forks, 294 open issues and last shipped yesterday. koishi has 6,311 stars, 360 forks, 107 open issues and last shipped 26 days ago. Open WebUI leads on adoption by 2,397% (157,575 vs 6,311 stars). Open WebUI is written in Python under a custom or non-standard licence; koishi is written in TypeScript under MIT. Open WebUI has attracted 15% as many forks as stars, koishi 6%. Open WebUI 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
| Open WebUI | koishi | |
|---|---|---|
| GitHub stars | ★ 158K | ★ 6.3K |
| License | Custom / other | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-10-08 |
| Forks | ⑂ 23K | ⑂ 360 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Open WebUI if
- You weight community size — 158K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick koishi if
- You want the koishi feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and koishi fits your workflow better
About Open WebUI
Open WebUI 👋 Open WebUI is a home for AI , a self hosted AI platform that's extensible , feature rich , user friendly, and built to run entirely offline . With support for Ollama and OpenAI compatible APIs , it gives you a powerful, provider agnostic interface for both local and cloud based models. Passionate about open source AI? Join our team → [!TIP] Looking for an Enterprise Plan? – Speak with Our Sales Team Today! For more information, be sure to check out our Open WebUI Documentation. Key Features of Open WebUI ⭐ 🚀 Effortless Setup : Install seamlessly via pip, uv, Docker, or Kubernetes (kubectl…
read the full Open WebUI overview →
About koishi
Koishi Koishi 是一个跨平台、可扩展、高性能的聊天机器人框架。 它的名字和图标设计来源于来源于东方 Project 中的角色古明地恋 (Komeiji Koishi)。古明地恋是一个会做出无意识举动的角色，取这个名字既象征着聊天机器人的主题，也蕴含了开发者为之倾注的热爱。 特性 开箱即用 Koishi 提供了高度便利的控制台，让你无需基础让你在几分钟之内搭建自己的聊天机器人。 提供在线插件市场，即使没有任何编程基础，也能轻松在控制台中下载安装插件 支持 QQ，Telegram，Discord，飞书等主流聊天平台，支持多账户和跨平台数据互通 随时随地通过控制面板监控运行状态，控制机器人的行为，甚至上号聊天 生态丰富 经过了长达四年的迭代，Koishi 已经发展出了丰富的插件生态和与之匹配的健壮系统。超过 3000 个官方和社区插件覆盖了机器人开发的方方面面，从平台支持、数据库、资源存储、网页控制台、状态管理到具体的业务功能一应俱全。无论你的目标是构建大型交互应用还是轻量级的辅助机器人，Koishi 都为你提供了最佳实践。如果担心在复杂的功能中迷失方向，我们也准备了细致的文档来提供帮助。 专为开发者打造 Koishi 更为开发者准备了众多专业功能，使插件开发者得以在各种复杂需求中构建规模化的解决方案。 类型支持：Koishi 完全基于 TypeScript
read the full koishi overview →
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Frequently asked questions
Is Open WebUI or koishi more popular?
Open WebUI has 157,575 GitHub stars and koishi has 6,311. Open WebUI has the larger community by that measure.
Are Open WebUI and koishi free?
Both are open source. Open WebUI has no licence declared in this registry, and koishi is licensed under MIT. Both are free to self-host.
What is the difference between Open WebUI and koishi?
Open WebUI is written in Python and koishi 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, Open WebUI or koishi?
Choose Open WebUI if you want the larger community (157,575 stars) or its Custom / other licence terms. Choose koishi if its feature set, stack or MIT licence fits better. Both are self-hostable.