head to head · open source
odysseus vs ChuanhuChatGPT
odysseus has 87,371 GitHub stars, 907 forks, 1,233 open issues and last shipped 2 days ago. ChuanhuChatGPT has 15,272 stars, 2,196 forks, 129 open issues and last shipped 3 days ago. odysseus leads on adoption by 472% (87,371 vs 15,272 stars). odysseus is written in Python under AGPL-3.0; ChuanhuChatGPT is written in Python under GPL-3.0. odysseus has attracted 1% as many forks as stars, ChuanhuChatGPT 14%. odysseus 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
| odysseus | ChuanhuChatGPT | |
|---|---|---|
| GitHub stars | ★ 87K | ★ 15K |
| License | AGPL-3.0 | GPL-3.0 |
| Written in | Python | Python |
| Last push | 2026-09-17 | 2026-09-16 |
| Forks | ⑂ 907 | ⑂ 2.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick odysseus if
- You weight community size — 87K stars and counting
- You want the AGPL-3.0 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 odysseus
Odysseus is a self hosted AI workspace written in Python and released under the AGPL 3.0 or later licence, built for people who want chat, agents, research, documents, email, notes, tasks, and calendar in one deployment on infrastructure they control.
read the full odysseus 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 odysseus or ChuanhuChatGPT more popular?
odysseus has 87,371 GitHub stars and ChuanhuChatGPT has 15,272. odysseus has the larger community by that measure.
Are odysseus and ChuanhuChatGPT free?
Both are open source. odysseus is licensed under AGPL-3.0 and ChuanhuChatGPT under GPL-3.0. Neither carries a licence fee.
What is the difference between odysseus and ChuanhuChatGPT?
odysseus 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, odysseus or ChuanhuChatGPT?
Choose odysseus if you want the larger community (87,371 stars) or its AGPL-3.0 licence terms. Choose ChuanhuChatGPT if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.