Gemini CLI vs Google Antigravity: Side-by-Side Comparison 2026
Gemini CLI vs Google Antigravity comparison 2026. Side-by-side features, pricing & capabilities.
Gemini CLI is a CLI-based coding agent from Google — open-source ai agent for your terminal. Google Antigravity is an AI IDE from Google — ai-native cloud ide.
Gemini CLI
Open-source AI agent that runs in your terminal. Uses a ReAct loop with built-in tools for file operations, shell commands, web search, and MCP server support. Free with generous daily limits.
- ✓ ReAct agentic loop
- ✓ File operations and shell commands
- ✓ Web search grounding
- ✓ MCP server support
- ✓ 1M token context window
Free / $19.99/mo · 4 plans
Google Antigravity
Google's AI-native IDE built on a heavily modified fork of VS Code with Gemini built in. Free during preview with rate limits.
- ✓ Code completions
- ✓ AI chat
- ✓ Agentic mode
- ✓ Multi-file editing
- ✓ Terminal commands
Free / $19.99/mo · 3 plans
| Feature | Gemini CLI | Google Antigravity |
|---|---|---|
| Category | CLI | AI IDE |
| Starting Price | Free | Free |
| Model Family | Gemini | Gemini |
| Documentation | — | ✓ |
| Open Source | Yes (Apache 2.0) | No |
Pricing verified Mar 20, 2026. Gemini CLI pricing | Google Antigravity pricing
Key Differences
- Category: Gemini CLI is a CLI-based coding agent; Google Antigravity is an AI IDE.
- Open source: Gemini CLI: Yes (Apache 2.0). Google Antigravity: No.
- Bring your own key: Gemini CLI supports BYOK; Google Antigravity does not.
- Platforms: Gemini CLI runs on Linux, Windows, macOS; Google Antigravity runs on ChromeOS, Linux, Windows, macOS.
Which Should You Choose?
Choose Gemini CLI if you want AI pair programming directly in your terminal. Choose Google Antigravity if you want an AI-native IDE for professional development. Read our full reviews to see which fits your workflow.