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Welcome to Aether — a locally-run AI Agent for Android, iOS & MacOS. Built on the Pi framework, Aether puts a full agentic experience directly on your device: connect to any major LLM provider, automate tasks with built-in Alpine Linux tooling, and extend the agent with your own mods — all without routing your credentials through any Aether-operated service.

Introduction

Learn what Aether is, how it works, and what sets it apart from other AI chat apps.

Quickstart

Install Aether, connect a provider, and send your first message in minutes.

Models & Providers

Explore supported LLM providers including OpenAI, Anthropic, Google, DeepSeek, and more.

Extension Developer

Build hot-reload TypeScript mods or compiled Kotlin/DEX native extensions for Aether.

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Get up and running

1

Install Aether on your device

Download the latest APK from the Aether Releases page and install it on your Android device.
2

Configure your LLM provider

Open Aether, navigate to Settings → Model Providers, and add your preferred LLM provider with an API key, OAuth, or environment credentials.
3

Start chatting with your AI agent

Select a model in the top bar and send your first message. On Android, you can also enable Agent Mode to control apps on an isolated virtual display.
For Android, Aether requires Android 8.0 (API 26) or higher and an arm64-v8a device architecture. For iOS & macOS, install via TestFlight (iOS 15+ / macOS 12+ required).