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Kai 9000 vs NextChat: catalog facts
Kai 9000NextChat
Free

Free and open source under Apache-2.0; cloud providers may charge for their own API keys.

Freemium

The client is free and open source; the optional hosted model access is pay-as-you-go.

Windows, macOS, Linux, Android, iOS, Web Windows, macOS, Linux, Android, iOS, Web, Self-hosted
  • Works with many AI providers and falls back between them automatically
  • Offline Gemma 4 models on Android and desktop
  • One interface for many model providers
  • Apps for desktop and mobile as well as the web
  • Cloud providers need your own API keys
  • Background autonomy and shell access need careful configuration
  • Needs a model provider or the paid hosted service to be useful
  • Does not run models locally by itself
Downloadable app, Web application Downloadable app, Web application, Self-hosted, Hosted service
Open source Open source
License: Apache-2.0 License: MIT
Not stated if an account is needed Not stated if an account is needed
Works offline Needs internet

Checked October 2, 2026

Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.