Grok Build CLI vs Vix

Feature	Grok Build CLI	Vix

Tagline	Bring Grok into your terminal	Sleek, Fast and Token Efficient AI Coding Agent
Website	https://x.ai/cli	https://getvix.dev
Language	rust	go
Release Date	May 14, 2026	June 1, 2026
Last Updated	August 19, 2026	August 19, 2026
Provider Type	AI Lab	Independent
MCP Support	Yes	Yes
Multi-Agent Support	Yes	Yes
Git Integration	deep	shallow
Multi-File Editing	Yes	No
Auto Test Running	Yes	No
Sandbox / Permissions	Yes	Yes
Image / Multimodal Input	Yes	Yes
Voice Mode	No	No
IDE Integration	None - Terminal only	N/A
Hooks / Extensions	Yes	Yes
Web Search	Yes	Yes
Local Model Support	Yes	No
Context Window	Model-dependent	Model-dependent
Terminal Bench	#9 · 20.3% ±3.1 (Terminal-Bench 4.0) ¹
AA Coding Agent Index	47% · Grok 4.6 (xhigh)	-
Supported Models	SuperGrok Heavy, Grok 4.5, 4.20, Grok 4, Grok Build 0.1, custom models including OpenAI compatible models	Anthropic Models (Opus 4.8 / 4.7 / 4.6), OpenAI (GPT-5.1 / o3 / 4o), MiniMax, Xiaomin MiMo and 300+ Models on OpenRouter.
Supported Subscriptions	SuperGrok X Premium	Claude Code ChatGPT
Pricing Model	Subscription	Free
Free Tier	Yes	No
Price Range	$0 (3 Day Trial) / $30 monthly (SuperGrok) / $300 monthly (SuperGrok Heavy)	$0
Source Code Availability	Open Source (EULA)	Open Source (AGPL-3.0)
Source Code	https://github.com/xai-org/grok-build	https://github.com/kirby88/vix
Development State	active	active