head to head · open source
odysseus vs catai
odysseus has 94,935 GitHub stars, 1,862 forks, 1,233 open issues and last shipped yesterday. catai has 498 stars, 40 forks, 2 open issues and last shipped 12 months ago. odysseus leads on adoption by 18,963% (94,935 vs 498 stars). odysseus is written in Python under AGPL-3.0; catai is written in TypeScript under MIT. odysseus has attracted 2% as many forks as stars, catai 8%. 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 | catai | |
|---|---|---|
| GitHub stars | ★ 95K | ★ 498 |
| License | AGPL-3.0 | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2025-11-16 |
| Forks | ⑂ 1.9K | ⑂ 40 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick odysseus if
- You weight community size — 95K 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 catai if
- You want the catai feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and catai fits your workflow better
About odysseus
A self hosted AI workspace for chat, agents, research, documents, email, notes, calendar, and local model workflows. Quick Start · Setup Guide · Contributing · Roadmap Quick Start dev is the default branch and gets the newest changes first. Use main if you want the more curated branch. Open when the containers are healthy. The first admin password is printed in docker compose logs odysseus . Native installs, GPU notes, Windows/macOS instructions, HTTPS, and configuration live in the setup guide. Features Chat + Agents — local/API models, tools, MCP, files, shell, skills, and memory. Cookbook — hardware aware…
read the full odysseus overview →
About catai
Catai 🚀 Exciting Updates Coming Soon! New UI , Function Calling , and more amazing features are on the way! Stay tuned for updates. Run GGUF models on your computer with a chat ui. Your own AI assistant runs locally on your computer. Inspired by Node Llama Cpp, Llama.cpp Installation & Use Make sure you have Node.js ( download current ) installed. Features Auto detect programming language 🧑💻 Click on user icon to show original message 💬 Real time text streaming ⏱️ Fast model downloads 🚀 CLI Install command Cross platform You can use it on Windows, Linux and Mac. This package uses node llama cpp which…
read the full catai overview →
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Frequently asked questions
Is odysseus or catai more popular?
odysseus has 94,935 GitHub stars and catai has 498. odysseus has the larger community by that measure.
Are odysseus and catai free?
Both are open source. odysseus is licensed under AGPL-3.0 and catai under MIT. Neither carries a licence fee.
What is the difference between odysseus and catai?
odysseus is written in Python and catai 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, odysseus or catai?
Choose odysseus if you want the larger community (94,935 stars) or its AGPL-3.0 licence terms. Choose catai if its feature set, stack or MIT licence fits better. Both are self-hostable.