head to head · open source
Jan vs FLUJO
Jan has 45,465 GitHub stars, 3,149 forks, 521 open issues and last shipped today. FLUJO has 673 stars, 93 forks, 26 open issues and last shipped today. Jan leads on adoption by 6,656% (45,465 vs 673 stars). Jan is written in Rust under a custom or non-standard licence; FLUJO is written in TypeScript under MIT. Jan has attracted 7% as many forks as stars, FLUJO 14%. FLUJO 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
| Jan | FLUJO | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 673 |
| License | Custom / other | MIT |
| Written in | Rust | TypeScript |
| Last push | 2026-11-05 | 2026-11-05 |
| Forks | ⑂ 3.1K | ⑂ 93 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Jan if
- You weight community size — 45K stars and counting
- You want the Custom / other license terms
- Your stack matches Rust
- You value the larger contributor base for long-term maintenance
pick FLUJO if
- You want the FLUJO feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and FLUJO fits your workflow better
About Jan
Jan Open source ChatGPT replacement English · 中文 · 日本語 Getting Started Community Changelog Bug reports Jan is bringing the best of open source AI in an easy to use product. Download and run LLMs with full control and privacy . Installation The easiest way to get started is by downloading one of the following versions for your respective operating system: Platform Download Windows jan.exe macOS jan.dmg Linux (deb) jan.deb Linux (AppImage) jan.AppImage Linux (Arm64) How to Download from jan.ai or GitHub Releases. Features Local AI Models : Download and run LLMs (Llama, Gemma, Qwen, GPT oss etc.) from HuggingFace…
About FLUJO
FLUJO Build private AI agents visually. Run them your way. Connect your AIs and apps, build an agent, then talk to it, automate it, or call it from other software. FLUJO is open source and local first. Start with the guided setup, build agents as simple step by step recipes or expert visual flows, inspect every run, and expose the same agents through OpenAI compatible and MCP endpoints — while your keys and data stay under your control. Simple + visual builders · MCP native · Multi model · Built in debugger · Automation Visit flujo.com.co → · Watch the 2:28 product film → · Install FLUJO ↓ · Explore features ↓ ·…
read the full FLUJO overview →
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Frequently asked questions
Is Jan or FLUJO more popular?
Jan has 45,465 GitHub stars and FLUJO has 673. Jan has the larger community by that measure.
Are Jan and FLUJO free?
Both are open source. Jan has no licence declared in this registry, and FLUJO is licensed under MIT. Both are free to self-host.
What is the difference between Jan and FLUJO?
Jan is written in Rust and FLUJO 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, Jan or FLUJO?
Choose Jan if you want the larger community (45,465 stars) or its Custom / other licence terms. Choose FLUJO if its feature set, stack or MIT licence fits better. Both are self-hostable.