Google Antigravity
Google's free agent app and CLI, now with Gemini 4 Argon.
Best freeFree plan
- Best for
- Free agent coding with Gemini
- On your PC
- No, online only
- Works on
- Mac, Windows, Linux
- Made by
What’s good
- Real agent app free, no credit card
- Desktop app plus Antigravity CLI for the terminal
- Replaced Gemini CLI for personal accounts
Downsides
- Google publishes no exact limits, they change with demand
- Free tier resets weekly, not every 5 hours
- Gemini 4 Argon needs a paid Google AI plan
At a glance.
- Best for
- Free agent coding with Gemini
- Price
- Free plan, then $20/mo
- Version
- Gemini 4 ArgonReleased 2026-10-13
- Works on
- Mac, Windows, Linux
- Open source
- No
- Made by
- Website
- antigravity.google
Should you use it?
Yes: it is our best free pick for coding agents. A full Google coding agent for $0, with a weekly quota.
Can I run it myself?
No. It only runs online.
Your prompts and files go to the company’s servers. See the local options in this category for a private alternative.
Want it offline? The best local option for coding agents is OpenCode.