Grok Build CLI vs. Ralph TUI

Feature	Grok Build CLI	Ralph TUI

Tagline	Bring Grok into your terminal	AI agent loop orchestrator for terminal
Website	https://x.ai/cli	https://ralph-tui.com
Language	rust	typescript
Release Date	May 14, 2026	January 14, 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	deep integration with git worktrees
Multi-File Editing	Yes	Yes
Auto Test Running	Yes	No
Sandbox / Permissions	Yes	Yes
Image / Multimodal Input	Yes	Yes
Voice Mode	No	No
IDE Integration	None - Terminal only	None - Terminal only
Hooks / Extensions	Yes	No
Web Search	Yes	Yes
Local Model Support	Yes	Yes
Context Window	Model-dependent	Depends on underlying agent
Supported Models	SuperGrok Heavy, Grok 4.5, 4.20, Grok 4, Grok Build 0.1, custom models including OpenAI compatible models	Orchestrates Coding Agents: Claude Code, OpenCode, Gemini CLI, Codex, Kiro, Droid, Cursor CLI.
Supported Subscriptions	SuperGrok X Premium	—
Pricing Model	Subscription	BYOK
Free Tier	Yes	Yes
Price Range	$0 (3 Day Trial) / $30 monthly (SuperGrok) / $300 monthly (SuperGrok Heavy)	Free (BYOK)
Source Code Availability	Open Source (EULA)	Open Source (MIT)
Source Code	https://github.com/xai-org/grok-build	https://github.com/subsy/ralph-tui
Development State	active	active