head to head · open source
nanobot vs chatgpt-android
nanobot has 49,806 GitHub stars, 8,711 forks, 775 open issues and last shipped yesterday. chatgpt-android has 3,876 stars, 449 forks, 27 open issues and last shipped 10 months ago. nanobot leads on adoption by 1,185% (49,806 vs 3,876 stars). nanobot is written in Python under MIT; chatgpt-android is written in Kotlin under Apache-2.0. nanobot has attracted 17% as many forks as stars, chatgpt-android 12%. nanobot was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (chatbot), 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
| nanobot | chatgpt-android | |
|---|---|---|
| GitHub stars | ★ 50K | ★ 3.9K |
| License | MIT | Apache-2.0 |
| Written in | Python | Kotlin |
| Last push | 2026-11-04 | 2026-01-03 |
| Forks | ⑂ 8.7K | ⑂ 449 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick nanobot if
- You weight community size — 50K stars and counting
- You want the MIT 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 nanobot
English 简体中文 繁體中文 Español Français Bahasa Indonesia 日本語 한국어 Русский Tiếng Việt Discord · X · WeChat / Feishu nanobot 🐈 nanobot is an ultra lightweight, open source, self hosted personal AI agent framework written in Python. It runs in a WebUI, terminal, or chat apps and combines tools, long term memory, MCP integrations, model routing, multi agent delegation, scheduled automation, and an OpenAI compatible API in a small, readable core. Start Here What can nanobot do? nanobot is a self hosted personal AI agent runtime. It can: run in a browser WebUI or terminal connect to Telegram, Discord, Slack, WeChat, Email…
read the full nanobot 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 nanobot or chatgpt-android more popular?
nanobot has 49,806 GitHub stars and chatgpt-android has 3,876. nanobot has the larger community by that measure.
Are nanobot and chatgpt-android free?
Both are open source. nanobot is licensed under MIT and chatgpt-android under Apache-2.0. Neither carries a licence fee.
What is the difference between nanobot and chatgpt-android?
nanobot 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, nanobot or chatgpt-android?
Choose nanobot if you want the larger community (49,806 stars) or its MIT licence terms. Choose chatgpt-android if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.