head to head · open source
pi vs nanobot
pi has 119,586 GitHub stars, 15,353 forks, 202 open issues and last shipped yesterday. nanobot has 49,766 stars, 8,713 forks, 775 open issues and last shipped yesterday. pi leads on adoption by 140% (119,586 vs 49,766 stars). pi is written in TypeScript under MIT; nanobot is written in Python under MIT. pi has attracted 13% as many forks as stars, nanobot 18%. pi 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
| pi | nanobot | |
|---|---|---|
| GitHub stars | ★ 120K | ★ 50K |
| License | MIT | MIT |
| Written in | TypeScript | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 15K | ⑂ 8.7K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick pi if
- You weight community size — 120K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick nanobot if
- You want the nanobot feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and nanobot fits your workflow better
About pi
New issues and PRs from new contributors are auto closed by default. Maintainers review auto closed issues daily. See CONTRIBUTING.md. Pi Agent Harness This is the home of the Pi agent harness project including our self extensible coding agent. @earendil works/pi coding agent : Interactive coding agent CLI @earendil works/pi agent core : Agent runtime with tool calling and state management @earendil works/pi ai : Unified multi provider LLM API (OpenAI, Anthropic, Google, …) To learn more about Pi: Visit pi.dev, the project website with demos Read the documentation, but you can also ask the agent to explain…
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 →
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Frequently asked questions
Is pi or nanobot more popular?
pi has 119,586 GitHub stars and nanobot has 49,766. pi has the larger community by that measure.
Are pi and nanobot free?
Both are open source. pi is licensed under MIT and nanobot under MIT. Neither carries a licence fee.
What is the difference between pi and nanobot?
pi is written in TypeScript and nanobot in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, pi or nanobot?
Choose pi if you want the larger community (119,586 stars) or its MIT licence terms. Choose nanobot if its feature set, stack or MIT licence fits better. Both are self-hostable.