Antigravity CLI vs. Grok Build CLI

Feature	Antigravity CLI	Grok Build CLI

Tagline	Google's coding agent for the terminal, and the replacement for Gemini CLI	Bring Grok into your terminal
Website	https://antigravity.google/product/antigravity-cli	https://x.ai/cli
Language	go	rust
Release Date	May 19, 2026	May 14, 2026
Last Updated	July 1, 2026	July 15, 2026
Provider Type	AI Lab	AI Lab
MCP Support	Yes	Yes
Multi-Agent Support	Yes	Yes
Git Integration	deep	deep
Multi-File Editing	Yes	Yes
Auto Test Running	Yes	Yes
Sandbox / Permissions	Yes	Yes
Image / Multimodal Input	Yes	Yes
Voice Mode	No	No
IDE Integration	Antigravity IDE	None - Terminal only
Hooks / Extensions	Yes	Yes
Web Search	Yes	Yes
Local Model Support	No	Yes
Context Window	Model dependent	Model dependent
Supported Models	Gemini 3.5 Pro/Flash, Gemini 3.1 Pro, Gemini 3 Flash, Claude Sonnet / Opus 4.7, GPT-OSS-120b	SuperGrok Heavy, Grok 4.5, 4.20, Grok 4, Grok Build 0.1, custom models including OpenAI compatible models
Supported Subscriptions	—	SuperGrok X Premium
Pricing Model	Freemium, Subscription, Usage Based	Subscription
Free Tier	Yes	Yes
Price Range	$0 - $200	$0 (3 Day Trial) / $30 monthly (SuperGrok) / $300 monthly (SuperGrok Heavy)
Source Code Availability	Proprietary Software	Open Source (EULA)
Source Code	N/A	https://github.com/xai-org/grok-build
Development State	active	active