head to head · open source
nanobot vs koishi
nanobot has 49,806 GitHub stars, 8,711 forks, 775 open issues and last shipped yesterday. koishi has 6,313 stars, 360 forks, 107 open issues and last shipped 28 days ago. nanobot leads on adoption by 689% (49,806 vs 6,313 stars). nanobot is written in Python under MIT; koishi is written in TypeScript under MIT. nanobot has attracted 17% as many forks as stars, koishi 6%. nanobot was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (chatbot), 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
| nanobot | koishi | |
|---|---|---|
| GitHub stars | ★ 50K | ★ 6.3K |
| License | MIT | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-11-04 | 2026-10-08 |
| Forks | ⑂ 8.7K | ⑂ 360 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick nanobot if
- You weight community size — 50K stars and counting
- You want the MIT 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 nanobot
English 简体中文 繁體中文 Español Français Bahasa Indonesia 日本語 한국어 Русский Tiếng Việt Discord · X · WeChat / Feishu nanobot 🐈 nanobot is an ultra lightweight, open source, self hosted personal AI agent framework written in Python. It runs in a WebUI, terminal, or chat apps and combines tools, long term memory, MCP integrations, model routing, multi agent delegation, scheduled automation, and an OpenAI compatible API in a small, readable core. Start Here What can nanobot do? nanobot is a self hosted personal AI agent runtime. It can: run in a browser WebUI or terminal connect to Telegram, Discord, Slack, WeChat, Email…
read the full nanobot 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 nanobot or koishi more popular?
nanobot has 49,806 GitHub stars and koishi has 6,313. nanobot has the larger community by that measure.
Are nanobot and koishi free?
Both are open source. nanobot is licensed under MIT and koishi under MIT. Neither carries a licence fee.
What is the difference between nanobot and koishi?
nanobot 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, nanobot or koishi?
Choose nanobot if you want the larger community (49,806 stars) or its MIT licence terms. Choose koishi if its feature set, stack or MIT licence fits better. Both are self-hostable.