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	July 15, 2026	April 28, 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