GitHub Copilot CLI vs. Grok Build CLI

Feature	GitHub Copilot CLI	Grok Build CLI

Tagline	The power of GitHub Copilot in your terminal	Bring Grok into your terminal
Website	https://github.com/features/copilot/cli	https://x.ai/cli
Language	typescript	rust
Release Date	September 24, 2025	May 14, 2026
Last Updated	June 29, 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	No	Yes
Image / Multimodal Input	Yes	Yes
Voice Mode	Yes	No
IDE Integration	VS Code, Cursor, Windsurf, JetBrains, Neovim, Visual Studio, Xcode	None - Terminal only
Hooks / Extensions	Yes	Yes
Web Search	Yes	Yes
Local Model Support	Yes	Yes
Context Window	Auto-managed	Model dependent
Supported Models	Multi-provider (GitHub-managed) and local models	SuperGrok Heavy, Grok 4.5, 4.20, Grok 4, Grok Build 0.1, custom models including OpenAI compatible models
Supported Subscriptions	GitHub Copilot	SuperGrok X Premium
Pricing Model	Freemium, Usage Based	Subscription
Free Tier	Yes	Yes
Price Range	Free / $10-39/mo	$0 (3 Day Trial) / $30 monthly (SuperGrok) / $300 monthly (SuperGrok Heavy)
Source Code Availability	Proprietary Software	Open Source (EULA)
Source Code	https://github.com/github/copilot-cli	https://github.com/xai-org/grok-build
Development State	active	active