Private LLM: Nucleus 13+

Private LLM: Nucleus is your on-device personal AI assistant. Do brain storming, manage reminders, calendars, get health insights and more. Fully private by design.

Private LLM: Nucleus is your intelligent, on-device personal assistant powered by Apple’s Foundation Models framework. It combines advanced natural language understanding with the privacy of full on-device processing, ensuring your data never leaves your device. No Internet. No login. No data collection.

Seamless Integration Across Your Day
Nucleus connects deeply with Calendars, Reminders, Health, Maps, and Weather, helping you stay organized, aware, and productive.
• Manage and update reminders and calendar events.
• Track health data and view trend charts.
• Get directions, routes, and travel times.
• Stay informed with live weather updates and daily summaries.

Daily Kickstart
Each time you open Nucleus, you’re greeted with a personalized Daily Kickstart, a complete snapshot of your day that includes:
• Weather conditions and outfit suggestions.
• Today’s reminders and upcoming calendar events.
• Directions to your destinations.

Intelligent Conversations
Ask Nucleus anything about your integrated data or general topics. It understands context, allowing follow-up questions that feel natural and continuous.
Choose Auto Mode to let Nucleus automatically pick the right tools, or use Manual Mode for precise control.

Creativity with Image Playground
Bring your ideas to life using Image Playground, generate creative visuals directly within Nucleus. Everything is processed privately and on-device, ensuring speed and security.

Personalize Your Experience
Make Nucleus yours with visual and behavioral customization.
• Change chat bubble colors.
• Match your app icon to your theme.
• Set custom instructions that shape Nucleus’s personality and response style.

Siri Integration
Use Siri to interact with Nucleus hands-free. Just say “Hey Nucleus” to access reminders, calendars, health data, or general questions, all processed privately, right on your device.

Built for Privacy and Performance:
Private LLM: Nucleus runs entirely on your device using Apple’s Foundation Models framework. No cloud, no tracking, no data sharing. Just powerful, personal intelligence built for speed, context, and privacy.

Nucleus gives you everything you expect from a next-generation AI assistant, integrated tools, personalized insights, private processing, and an elegant experience designed for the Apple ecosystem.