head to head · open source
chatbox vs Kai
chatbox has 42,247 GitHub stars, 4,307 forks, 1,290 open issues and last shipped 7 days ago. Kai has 1,330 stars, 210 forks, 127 open issues and last shipped 3 days ago. chatbox leads on adoption by 3,076% (42,247 vs 1,330 stars). chatbox is written in TypeScript under GPL-3.0; Kai is written in Kotlin under Apache-2.0. chatbox has attracted 10% as many forks as stars, Kai 16%. Kai 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.
← all 20902 open source comparisons
Side by side
| chatbox | Kai | |
|---|---|---|
| GitHub stars | ★ 42K | ★ 1.3K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | TypeScript | Kotlin |
| Last push | 2026-10-29 | 2026-11-02 |
| Forks | ⑂ 4.3K | ⑂ 210 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick chatbox if
- You weight community size — 42K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Kai if
- You want the Kai 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 Kai fits your workflow better
About chatbox
English 简体中文 Chatbox (Community Edition) Your Ultimate AI Copilot on the Desktop. Chatbox is a desktop client for ChatGPT, Claude and other LLMs, available on Windows, Mac, Linux This is the repository for the Chatbox Community Edition, open sourced under the GPLv3 license. Chatbox is going open source Again! We regularly sync code from the pro repo to this repo, and vice versa. Download Desktop Windows MacOS Linux Setup.exe Intel Apple Silicon AppImage iOS/Android .APK For more information: chatboxai.app Quick Start For End Users 1. Download the appropriate installer for your platform from the releases page 2…
read the full chatbox overview →
About Kai
Kai 9000 An open source AI assistant with persistent memory that runs on Android, iOS, Windows, Mac, Linux, and Web . Website Documentation Sponsor: Atlas Cloud Installation Homebrew (macOS): AUR (Arch Linux): Winget (Windows): Direct Downloads AI That Builds Screens, Not Just Text Kai 9000's Interactive UI lets the AI generate full interactive screens — quizzes, dashboards, recipes, brainstorms, and more. Navigate by tapping buttons instead of scrolling through chat. Features Persistent memory — Kai remembers important details across conversations and uses them automatically Customizable soul — Define the AI's…
More in AI & Machine Learning
Related comparisons
More AI Interaction & Interfaces projects
Compare either of these against the rest of the AI Interaction & Interfaces field.
Frequently asked questions
Is chatbox or Kai more popular?
chatbox has 42,247 GitHub stars and Kai has 1,330. chatbox has the larger community by that measure.
Are chatbox and Kai free?
Both are open source. chatbox is licensed under GPL-3.0 and Kai under Apache-2.0. Neither carries a licence fee.
What is the difference between chatbox and Kai?
chatbox is written in TypeScript and Kai 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, chatbox or Kai?
Choose chatbox if you want the larger community (42,247 stars) or its GPL-3.0 licence terms. Choose Kai if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.