GitHub - elizaOS/eliza: Open source agentic operating system

What is this?

elizaOS is an open-source, local-first operating system for AI agents. Two parts:

Eliza — the app. An AI assistant for desktop, mobile, and web: chat, voice, your messaging accounts, a personal-assistant brain, a non-custodial wallet, browser automation, and on-device models.
elizaOS — the runtime and the OS underneath it. The same runtime can take over the whole machine — boot a Linux desktop or run on Android as the system assistant.

The agent, your data, and the models all run on your device. Eliza Cloud is optional — add it for hosted inference, sync, and deploys.

Get Eliza

Platform	How
Web	Open eliza.app
Desktop — macOS · Windows · Linux	Download from eliza.app
iOS · Android	App Store · Play · sideload

Run from source:

git clone --filter=blob:none https://github.com/elizaos/eliza.git
cd eliza
bun install
bun run dev          # API + the Eliza app UI

To run a whole device as elizaOS instead, see elizaOS — the operating system.

What Eliza does

The app ships with:

💬 Chat — one inbox for your agent and your accounts (iMessage, Discord, Telegram, WhatsApp, Slack, Farcaster, X).
🎙️ Voice — hands-free voice with on-device transcription and natural speech.
📇 Phone · Messages · Contacts — telephony and SMS surfaces (native on Android).
🧠 Personal assistant — calendar, reminders, inbox triage, tasks, daily brief, and owner-approved actions.
🌐 Browser & computer use — the agent drives a real browser and desktop.
👛 Wallet — non-custodial EVM + Solana: transfers, swaps, bridges, LP. Every spend needs your OK.
📄 Documents — ask questions over your files (RAG).
📷 Camera & vision — capture and reason over images.
⚙️ Automations — schedule recurring work; pick models and routing.

Private by default

Eliza can run the whole pipeline on your device via Eliza-1, the on-device model family (Gemma-4):

Text generation and embeddings, from ~2B (phone) to ~27B (desktop).
Voice — local speech-to-text and text-to-speech; audio never leaves the device.
Vision & images — on-device description and generation.

Pick a model in Settings → Model Routing and it downloads and pins; from then on it works with no network.

Apps on elizaOS

elizaOS runs apps, not just an agent. An app is a plugin that adds a surface inside Eliza; the runtime installs, launches, and tracks it like real software, and it survives restarts.

Browse & install — catalog at plugins.elizacloud.ai; curated entries in packages/registry, plus any npm package tagged elizaos.
First-party apps — plugin-companion, plugin-browser, plugin-documents, plugin-phone, plugin-task-coordinator.
Earn — apps deployed through Eliza Cloud can be metered and monetized.

elizaOS — the operating system

packages/os is the real, bootable distribution. Downloads and hardware are at os.elizacloud.ai.

Linux (packages/os/linux) — boots a full desktop with Eliza built in from a USB stick. amd64 · arm64 · riscv64.
Android (packages/os/android) — Eliza is the system launcher and assistant, on Pixel-class devices.

The OS is bootable today; full device certification and production update channels are in progress — see the per-target READMEs for status.

Eliza Cloud (optional)

Optional managed backend for going beyond one device. Never required — local-only is first-class. It adds:

Auth — accounts and sign-in (OAuth/SIWS).
Hosted inference — model routing across providers, billed per use.
Deploy — push an agent or app to a container with its own domain.
Sync & bridge — state across devices; drive a local agent from the cloud dashboard.
Monetization — metering and creator earnings for published apps, agents, and MCPs.

Build on elizaOS

The runtime is open source and yours to extend. Start with the CLI:

bun add -g elizaos@beta
elizaos create my-app --template project   # a deployable app workspace
elizaos create my-plugin -t plugin         # a runtime plugin (action/provider/service)

The runtime is model-agnostic (OpenAI, Anthropic, Gemini, Grok, Llama, local Eliza-1, …) and extended through a small set of primitives:

@elizaos/core (packages/core) — the agent loop, plugin model, and message/memory/state primitives.
@elizaos/agent (packages/agent) — AgentRuntime, the plugin loader, and the default plugin map.
@elizaos/app-core (packages/app-core) — the API + dashboard host that runs agents.
elizaos (packages/elizaos) — the CLI: create, info, upgrade.

A plugin exports a Plugin that registers actions (what the agent does), providers (prompt context), services (long-lived singletons), and evaluators (post-response work). Import @elizaos/core directly to use the runtime with no CLI or UI — see packages/examples and the evaluation suites in packages/benchmarks. Full guides: docs.elizaos.ai.

Working in the monorepo

bun install            # workspace install
bun run install:light  # skip the large artifact download when disk or time is tight
bun run dev            # API + Vite UI for apps/app
bun run build          # turbo build across the workspace
bun run test           # full test suite
bun run cloud:mock     # boot the local cloud backend stack with mocks

The repo is self-contained — runtime, CLI, dashboard, native OS forks, cloud backend, and first-party plugins all live here. Every package carries its own README.md; read it before working inside. Tree map: AGENTS.md.

Contributing

Contributions welcome. Open an issue before sending a non-trivial PR.

License

MIT — see LICENSE.