head to head · open source
OpenClaw vs Kai
OpenClaw has 393,747 GitHub stars, 82,755 forks, 6,671 open issues and last shipped yesterday. Kai has 1,329 stars, 210 forks, 127 open issues and last shipped yesterday. OpenClaw leads on adoption by 29,527% (393,747 vs 1,329 stars). OpenClaw is written in TypeScript under MIT; Kai is written in Kotlin under Apache-2.0. OpenClaw has attracted 21% as many forks as stars, Kai 16%. OpenClaw was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai, openclaw), 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
| OpenClaw | Kai | |
|---|---|---|
| GitHub stars | ★ 394K | ★ 1.3K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | Kotlin |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 83K | ⑂ 210 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenClaw if
- You weight community size — 394K stars and counting
- You want the MIT 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 OpenClaw
OpenClaw 🦞 — Your assistant, on your devices, in your chats OpenClaw is an open source AI assistant that runs on your own computer and meets you in the channels you already use: Discord, iMessage, Slack, Teams, Telegram, WhatsApp, and 20+ more, plus native apps for macOS, iOS, Android, Windows, and Linux. One Gateway runs it as a personal assistant on a laptop or as a shared team deployment; configuration is the only difference. Yours, with no catch. State, memory, and credentials live on your hardware. Models and agent harnesses (Claude, Codex, local models) are plugins you can swap without changing anything…
read the full OpenClaw 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…
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Frequently asked questions
Is OpenClaw or Kai more popular?
OpenClaw has 393,747 GitHub stars and Kai has 1,329. OpenClaw has the larger community by that measure.
Are OpenClaw and Kai free?
Both are open source. OpenClaw is licensed under MIT and Kai under Apache-2.0. Neither carries a licence fee.
What is the difference between OpenClaw and Kai?
OpenClaw 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, OpenClaw or Kai?
Choose OpenClaw if you want the larger community (393,747 stars) or its MIT licence terms. Choose Kai if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.