head to head · open source
Open WebUI vs chatgpt-android
Open WebUI has 157,575 GitHub stars, 22,923 forks, 294 open issues and last shipped yesterday. chatgpt-android has 3,874 stars, 449 forks, 27 open issues and last shipped 10 months ago. Open WebUI leads on adoption by 3,968% (157,575 vs 3,874 stars). Open WebUI is written in Python under a custom or non-standard licence; chatgpt-android is written in Kotlin under Apache-2.0. Open WebUI has attracted 15% as many forks as stars, chatgpt-android 12%. Open WebUI 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
| Open WebUI | chatgpt-android | |
|---|---|---|
| GitHub stars | ★ 158K | ★ 3.9K |
| License | Custom / other | Apache-2.0 |
| Written in | Python | Kotlin |
| Last push | 2026-11-02 | 2026-01-03 |
| Forks | ⑂ 23K | ⑂ 449 |
| 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 chatgpt-android if
- You want the chatgpt-android feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Kotlin
- You evaluated both and chatgpt-android 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 chatgpt-android
ChatGPT Android demonstrates OpenAI's ChatGPT on Android with Stream Chat SDK for Compose. The primary objective of this repository is to showcase the following: Demonstrating OpenAI's chat APIs. Creating comprehensive UI elements utilizing Jetpack Compose. Incorporating Android architecture components using Jetpack libraries such as Hilt and AppStartup. Executing background tasks efficiently through Kotlin Coroutines and WorkManager. Seamlessly integrating chat systems via the Stream Chat SDK for Compose to facilitate real time event handling. 📷 Previews 🛥 Stream Chat & Video SDKs ChatGPT Android is built…
read the full chatgpt-android overview →
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Frequently asked questions
Is Open WebUI or chatgpt-android more popular?
Open WebUI has 157,575 GitHub stars and chatgpt-android has 3,874. Open WebUI has the larger community by that measure.
Are Open WebUI and chatgpt-android free?
Both are open source. Open WebUI has no licence declared in this registry, and chatgpt-android is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Open WebUI and chatgpt-android?
Open WebUI is written in Python and chatgpt-android in Kotlin. 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 chatgpt-android?
Choose Open WebUI if you want the larger community (157,575 stars) or its Custom / other licence terms. Choose chatgpt-android if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.