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Kai 9000LibreChat
Free

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

 Free

Free and open source to self-host.

Windows, macOS, Linux, Android, iOS, Web Web, Self-hosted
  • Works with many AI providers and falls back between them automatically
  • Offline Gemma 4 models on Android and desktop
  • Many model providers in a single interface
  • Agents, code interpreter, artifacts and MCP support
  • Cloud providers need your own API keys
  • Background autonomy and shell access need careful configuration
  • Needs a server and Docker setup to run
  • Many features means more configuration
Downloadable app, Web application Self-hosted
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 Not stated if it works offline

Checked October 2, 2026

Checked September 23, 2026

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