head to head · open source
Open WebUI vs builderbot
Open WebUI has 157,575 GitHub stars, 22,923 forks, 294 open issues and last shipped yesterday. builderbot has 2,978 stars, 955 forks, 19 open issues and last shipped 2 days ago. Open WebUI leads on adoption by 5,191% (157,575 vs 2,978 stars). Open WebUI is written in Python under a custom or non-standard licence; builderbot is written in TypeScript under MIT. Open WebUI has attracted 15% as many forks as stars, builderbot 32%. Open WebUI was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (openai), so they are genuine substitutes rather than adjacent tools.
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
| Open WebUI | builderbot | |
|---|---|---|
| GitHub stars | ★ 158K | ★ 3.0K |
| License | Custom / other | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-11-01 |
| Forks | ⑂ 23K | ⑂ 955 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Open WebUI if
- You weight community size — 158K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick builderbot if
- You want the builderbot feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and builderbot fits your workflow better
About Open WebUI
Open WebUI 👋 Open WebUI is a home for AI , a self hosted AI platform that's extensible , feature rich , user friendly, and built to run entirely offline . With support for Ollama and OpenAI compatible APIs , it gives you a powerful, provider agnostic interface for both local and cloud based models. Passionate about open source AI? Join our team → [!TIP] Looking for an Enterprise Plan? – Speak with Our Sales Team Today! For more information, be sure to check out our Open WebUI Documentation. Key Features of Open WebUI ⭐ 🚀 Effortless Setup : Install seamlessly via pip, uv, Docker, or Kubernetes (kubectl…
read the full Open WebUI overview →
About builderbot
BuilderBot Getting Started With this library, you can build automated conversation flows agnostic to the WhatsApp provider, set up automated responses for frequently asked questions, receive and respond to messages automatically, and track interactions with customers. Additionally, you can easily set up triggers to expand functionalities limitlessly. Documentation Visit builderbot to view the full documentation. Official Course If you want to discover all the functions and features offered by the library you can take the course. View Course Contact Us 💻 Discord 👌 𝕏 (Twitter)
read the full builderbot overview →
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Frequently asked questions
Is Open WebUI or builderbot more popular?
Open WebUI has 157,575 GitHub stars and builderbot has 2,978. Open WebUI has the larger community by that measure.
Are Open WebUI and builderbot free?
Both are open source. Open WebUI has no licence declared in this registry, and builderbot is licensed under MIT. Both are free to self-host.
What is the difference between Open WebUI and builderbot?
Open WebUI is written in Python and builderbot 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, Open WebUI or builderbot?
Choose Open WebUI if you want the larger community (157,575 stars) or its Custom / other licence terms. Choose builderbot if its feature set, stack or MIT licence fits better. Both are self-hostable.