Antigravity CLI vs Gemini CLI
Antigravity CLI and Gemini CLI are both terminal AI coding tools. Here's how they line up on the things that actually decide it — price, platform, and what they plug into.
| Antigravity CLI | Gemini CLI | |
|---|---|---|
| Pricing | Free tier | Free |
| Platform | windows, mac, linux | windows, mac, linux |
| Works with | gemini | gemini |
| In one line | Google's closed-source terminal coding agent (the `agy` command) — the official successor to the retired Gemini CLI, part of the Antigravity platform and backed by Gemini 3 models. | Google's free, open-source terminal coding agent — runs agentic file editing, shell commands, and live web search via @search grounding, powered by Gemini 2.5 Pro. |
Which should you pick?
On budget alone, Gemini CLI is the lower-cost entry (free), so it's the safer place to start if you're not ready to pay. They both work with gemini, so if that's your setup either one fits. For the full picture, read the reviews below — the verdict is where the real difference shows up.