Antigravity is available on macOS, Linux, and Windows. It is free for individual developers, with generous rate limits on Gemini 3 Pro included at no charge.
Download and Install
Visit the official Antigravity site and download the installer for your platform. The application is a desktop client — not a browser extension or a plugin for an existing editor.
| Platform | Format |
|---|---|
| macOS | .dmg installer |
| Linux | .AppImage or .deb package |
| Windows | .exe installer |
Run the installer, launch Antigravity, and sign in with your Google account. Your free tier access is tied to your account — no separate API key setup required to get started.
Model Options
Antigravity gives you access to multiple models within the agent. At launch, the platform supports:
- Gemini 3 Pro — Google's flagship model, included free with generous rate limits
- Claude Sonnet 4.5 — Anthropic's model, available within the agent
- GPT-OSS — OpenAI's open-weight model, also supported
You can switch the active model per task or set a default in Settings. This model optionality is intentional — Google built the platform to be model-agnostic so you can choose based on the task at hand.
Connecting a Workspace
When you first open Antigravity, you'll connect a workspace — a local folder that the agent will work inside. The platform operates locally by default, which is what enables the seamless, low-latency feedback loops described in later lessons.
File → Open Workspace → select your project folderAntigravity indexes the workspace so the agent understands the project structure before you give it any tasks.
Two Views, One Platform
Once a workspace is open, you'll see two distinct views accessible from the top navigation:
- Editor View — an AI-powered IDE for synchronous, interactive development
- Manager View — an agent orchestration surface for async, parallel work
The rest of this course covers each view in depth. For now, confirm both are accessible and that the agent panel on the right side of Editor View is active — you'll need it in the next lesson.
Rate Limits and Paid Plans
The free tier covers individual use and is suitable for learning the platform and running real projects. Google has not published exact token limits, but describes them as "generous." If you hit limits during heavy use, paid plans are available with higher thresholds.