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Kai 9000 vs Relagent: catalog facts
Kai 9000	Relagent
Free Free and open source under Apache-2.0; cloud providers may charge for their own API keys.	Free Free and open source under the BSD-2-Clause licence.
Windows, macOS, Linux, Android, iOS, Web	Android, Self-hosted
Works with many AI providers and falls back between them automatically Offline Gemma 4 models on Android and desktop	Conversations stay on hardware you control Native Android chat app
Cloud providers need your own API keys Background autonomy and shell access need careful configuration	Alpha software Requires running the separate Relagent engine yourself
Downloadable app, Web application	Downloadable app, Self-hosted
Open source	Open source
License: Apache-2.0	License: BSD-2-Clause
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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