On-Device AIAndroidGemini Nano5 min read
π€ Gemini Nano & On-Device AI: What Android Devs Need to Know π±
Nov 6, 2025β’By Divya
AI is moving from the cloud to your device's chip. Google's Gemini Nano - a lightweight LLM running entirely on-device, brings AI inference directly to Android. No network calls. No latency. No data leaving the device.
β‘ Why This Changes Everything
- β‘Sub-second responses β perfect for chat, smart replies, content summaries
- πWorks offline β features run without connectivity
- πPrivacy-first architecture β user data stays on device
- πBattery-optimized β designed for mobile constraints via AICore API
π§© How to Build With It
Google's AICore Service gives you direct access to Gemini Nano for text inference:
val request = AiTextRequest(
prompt = "Summarize this conversation:"
)
val result = aiCore.generateText(request)
Log.d("AIResult", result.text)- β No API keys
- β No cloud dependencies
- β Just local AI
π‘ Build This Today
- Smart reply generation for messaging apps
- On-device caption summaries for video content
- Context-aware assistants (βDriving detectedβlaunch navigation?β)
- Private, offline translation for short-form text
π₯ Quick Demo

Watch Gemini Nano generate smart replies in real-time, completely offline
π― The Bottom Line
Gemini Nano puts privacy-preserving intelligence directly in users' pockets.
Fast. Private. Offline-capable.
This is the shift from cloud-first AI to edge-first AI.
If 2023 was βAI everywhere,β 2025 is βAI right here.β
π§© Key Takeaways
- β Gemini Nano brings LLM inference on-device
- β AICore API provides easy integration
- β Perfect for smart replies, summaries, and context-aware features
- β Works completely offline with zero latency
- β Privacy-first: no data leaves the device
π Learn More
Want to dive deeper into Gemini Nano and on-device AI?
Android AI Documentation β