head to head · open source
nanobot vs ChuanhuChatGPT
nanobot has 48,372 GitHub stars, 8,548 forks, 775 open issues and last shipped today. ChuanhuChatGPT has 15,272 stars, 2,195 forks, 129 open issues and last shipped 4 days ago. nanobot leads on adoption by 217% (48,372 vs 15,272 stars). nanobot is written in Python under MIT; ChuanhuChatGPT is written in Python under GPL-3.0. nanobot has attracted 18% as many forks as stars, ChuanhuChatGPT 14%. 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 | ChuanhuChatGPT | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 15K |
| License | MIT | GPL-3.0 |
| Written in | Python | Python |
| Last push | 2026-09-20 | 2026-09-16 |
| Forks | ⑂ 8.5K | ⑂ 2.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick nanobot if
- You weight community size — 48K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick ChuanhuChatGPT if
- You want the ChuanhuChatGPT feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Python
- You evaluated both and ChuanhuChatGPT fits your workflow better
About nanobot
nanobot is an ultra lightweight, open source, self hosted personal AI agent framework written in Python, aimed at individual developers and small teams who want to run their own agent through a browser WebUI, a terminal, or chat apps instead of renting a hosted assistant.
read the full nanobot overview →
About ChuanhuChatGPT
ChuanhuChatGPT (川虎 Chat) is a free, GPL 3.0 Python and Gradio web interface that puts the ChatGPT API and more than a dozen other hosted and locally deployed large language models behind one self hostable chat UI, built for individuals and small teams who want their own front end instead of a vendor's.
read the full ChuanhuChatGPT overview →
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Frequently asked questions
Is nanobot or ChuanhuChatGPT more popular?
nanobot has 48,372 GitHub stars and ChuanhuChatGPT has 15,272. nanobot has the larger community by that measure.
Are nanobot and ChuanhuChatGPT free?
Both are open source. nanobot is licensed under MIT and ChuanhuChatGPT under GPL-3.0. Neither carries a licence fee.
What is the difference between nanobot and ChuanhuChatGPT?
nanobot is written in Python and ChuanhuChatGPT 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, nanobot or ChuanhuChatGPT?
Choose nanobot if you want the larger community (48,372 stars) or its MIT licence terms. Choose ChuanhuChatGPT if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.