head to head · open source
odysseus vs aichat
odysseus has 94,935 GitHub stars, 1,862 forks, 1,233 open issues and last shipped yesterday. aichat has 10,536 stars, 747 forks, 104 open issues and last shipped 8 months ago. odysseus leads on adoption by 801% (94,935 vs 10,536 stars). odysseus is written in Python under AGPL-3.0; aichat is written in Rust under Apache-2.0. odysseus has attracted 2% as many forks as stars, aichat 7%. 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 | aichat | |
|---|---|---|
| GitHub stars | ★ 95K | ★ 11K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | Python | Rust |
| Last push | 2026-11-02 | 2026-02-23 |
| Forks | ⑂ 1.9K | ⑂ 747 |
| 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 aichat if
- You want the aichat feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and aichat 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 aichat
AIChat: All in one LLM CLI Tool AIChat is an all in one LLM CLI tool featuring Shell Assistant, CMD & REPL Mode, RAG, AI Tools & Agents, and More. Install Package Managers Rust Developers: cargo install aichat Homebrew/Linuxbrew Users: brew install aichat Pacman Users : pacman S aichat Windows Scoop Users: scoop install aichat Android Termux Users: pkg install aichat Pre built Binaries Download pre built binaries for macOS, Linux, and Windows from GitHub Releases, extract them, and add the aichat binary to your $PATH . Features Multi Providers Integrate seamlessly with over 20 leading LLM providers through a…
read the full aichat overview →
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Frequently asked questions
Is odysseus or aichat more popular?
odysseus has 94,935 GitHub stars and aichat has 10,536. odysseus has the larger community by that measure.
Are odysseus and aichat free?
Both are open source. odysseus is licensed under AGPL-3.0 and aichat under Apache-2.0. Neither carries a licence fee.
What is the difference between odysseus and aichat?
odysseus is written in Python and aichat in Rust. 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 aichat?
Choose odysseus if you want the larger community (94,935 stars) or its AGPL-3.0 licence terms. Choose aichat if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.