Antigravity CLI vs. IBM Bob

Feature	Antigravity CLI	IBM Bob

Tagline	Google's coding agent for the terminal, and the replacement for Gemini CLI	Your AI SDLC (Software Development Lifecycle) partner from IBM
Website	https://antigravity.google/product/antigravity-cli	https://bob.ibm.com
Language	go	javascript
Release Date	May 19, 2026	September 2, 2025
Last Updated	July 1, 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	Antigravity IDE	Bob IDE
Hooks / Extensions	Yes	Yes
Web Search	Yes	Yes
Local Model Support	No	No
Context Window	Model dependent	Model-dependent
Supported Models	Gemini 3.5 Pro/Flash, Gemini 3.1 Pro, Gemini 3 Flash, Claude Sonnet / Opus 4.7, GPT-OSS-120b	Multi-provider (IBM-managed)
Pricing Model	Freemium, Subscription, Usage Based	Freemium
Free Tier	Yes	Yes
Price Range	$0 - $200	Free / $20-200/mo
Source Code Availability	Proprietary Software	Proprietary Software
Source Code	N/A	https://github.com/IBM/ibm-bob
Development State	active	active