Loci is a local AI workspace for your Mac. Ask questions, draft, summarize, reason through ideas, and work with files without sending your conversations to a hosted AI service.
RUN AI WHERE YOU WORK
Use local models on your Mac in a polished chat interface built for everyday writing, research, coding, planning, and analysis.
MODEL CHOICE MADE SIMPLE
Loci helps you use the models already on your Mac and gives clear paths to download new ones. You can start with a recommended model, then switch into more advanced controls when you want them.
FILES, IMAGES, AND LONGER WORK
Drag files and images into chat, copy code and snippets quickly, and keep longer conversations manageable with context controls and automatic compaction.
VOICE WHEN YOU WANT IT
Use voice input and conversational mode for hands-free sessions. Speech permissions are requested only when needed.
PRIVATE BY DESIGN
Loci is built around on-device and local-first AI. Your chats and local files stay on your Mac unless you choose to use an outside service.
BUILT FOR MAC
Light and dark appearance, desktop-focused onboarding, keyboard-friendly chat, model management, local API support for power users, and safeguards for memory-heavy local models.
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Amazing Offline AI — A Must-Have for Travel
rachgutt
This app is amazing! I was just in Canada with no cell service for almost my entire trip, and Loci helped me so much. Being able to use an AI model completely offline when I had no service was incredibly useful. It worked exactly when I needed it most. Definitely one of the best offline AI apps I’ve used and a must-have for traveling!
The simplest to use Local AI app that exists for mac
Windexpaper
Somehow has all the functionality of ChatGPT or Claude while also running fully on my computer, while I’m on flights I get so much python coding done with this. Also use it on the train to do my planning. it’s important to close other apps for the best performance. It has no limits on how many chats you can do, besides being free. Wow.
Low-key, Loci is a rare gem
TheMauntain
It’s everything I’ve always wanted from an AI space… and I know a lot of people have been waiting for something like this too. It couldn’t have come at a better time. I use it constantly (yeah, I’m addicted), but now my AI addiction is channeled into a safe, clean, and incredibly flexible space. And the best part? Completely FREE! - Edited by Loci ;)
No wifi no problem
hshdhdhabdif
Genuinely an insane feature, the fact I could solve some problems I was having at work while I was on a flight with no wifi is out of this world. Could not recommend it enough
Bug fixes and improvements.
Version 1.2.23
The developer, Loci AI, Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
Identifiers
Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
Location
Identifiers
Usage Data
Diagnostics
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More