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Atomic Chat vs Nativ: catalog facts
Atomic Chat	Nativ
Free The project is publicly available on GitHub; the supplied project description does not…	Free Free and open source.
macOS	macOS
Runs open-weight language models locally Includes an inference engine for agents	Runs models fully on the Mac with no account Recommends models that fit your hardware
Local model use depends on compatible computer hardware	Apple Silicon Macs only Large model downloads, often several gigabytes
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 2, 2026

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