head to head · open source
odysseus vs LibreChat
odysseus has 94,935 GitHub stars, 1,862 forks, 1,233 open issues and last shipped yesterday. LibreChat has 46,647 stars, 9,596 forks, 732 open issues and last shipped yesterday. odysseus leads on adoption by 104% (94,935 vs 46,647 stars). odysseus is written in Python under AGPL-3.0; LibreChat is written in TypeScript under MIT. odysseus has attracted 2% as many forks as stars, LibreChat 21%. LibreChat 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 | LibreChat | |
|---|---|---|
| GitHub stars | ★ 95K | ★ 47K |
| License | AGPL-3.0 | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 1.9K | ⑂ 9.6K |
| 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 LibreChat if
- You want the LibreChat feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and LibreChat 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 LibreChat
LibreChat English · 中文 🚀 What's New in v0.8.8 rc2 Agent run control: Interrupt an Agent before visible answer text, steer runs with files and quoted excerpts, durably queue follow ups, and recover saved partial work with Keep going or Answer now . Agent activity: Optional generated labels group reasoning and tool work, fold completed groups into live phase cards, keep generated files visible, summarize multi step phases, and show the current reasoning direction. Human in the loop Agents: Stream up to four related questions, pause for input or tool approval, and resume durably. Unified Agent Builder: Configure…
read the full LibreChat overview →
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Frequently asked questions
Is odysseus or LibreChat more popular?
odysseus has 94,935 GitHub stars and LibreChat has 46,647. odysseus has the larger community by that measure.
Are odysseus and LibreChat free?
Both are open source. odysseus is licensed under AGPL-3.0 and LibreChat under MIT. Neither carries a licence fee.
What is the difference between odysseus and LibreChat?
odysseus is written in Python and LibreChat 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 LibreChat?
Choose odysseus if you want the larger community (94,935 stars) or its AGPL-3.0 licence terms. Choose LibreChat if its feature set, stack or MIT licence fits better. Both are self-hostable.