Grok Build CLI vs. IBM Bob

Feature	Grok Build CLI	IBM Bob

Tagline	Bring Grok into your terminal	Your AI SDLC (Software Development Lifecycle) partner from IBM
Website	https://x.ai/cli	https://bob.ibm.com
Language	rust	javascript
Release Date	May 14, 2026	September 2, 2025
Last Updated	July 15, 2026	May 20, 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	None - Terminal only	Bob IDE
Hooks / Extensions	Yes	Yes
Web Search	Yes	Yes
Local Model Support	Yes	No
Context Window	Model dependent	Model-dependent
Supported Models	SuperGrok Heavy, Grok 4.5, 4.20, Grok 4, Grok Build 0.1, custom models including OpenAI compatible models	Multi-provider (IBM-managed)
Supported Subscriptions	SuperGrok X Premium	—
Pricing Model	Subscription	Freemium
Free Tier	Yes	Yes
Price Range	$0 (3 Day Trial) / $30 monthly (SuperGrok) / $300 monthly (SuperGrok Heavy)	Free / $20-200/mo
Source Code Availability	Open Source (EULA)	Proprietary Software
Source Code	https://github.com/xai-org/grok-build	https://github.com/IBM/ibm-bob
Development State	active	active