# Atomic Chat > Free local AI chat app for macOS, Windows and iOS. Run any open-source AI model privately on your device with TurboQuant — 2x larger context window, 30% less RAM usage. No cloud, no fees, no tracking. ## Key Pages - [Homepage](https://atomic.chat/): Download and get started. - [Privacy Policy](https://atomic.chat/privacy): How we handle your data. - [Terms of Service](https://atomic.chat/terms): Terms of use. - [llms-full.txt](https://atomic.chat/llms-full.txt): Complete details, technical specs, and comparisons.