Charm Crush vs. IBM Bob

Feature	Charm Crush	IBM Bob

Tagline	Glamourous agentic coding for all	Your AI SDLC (Software Development Lifecycle) partner from IBM
Website	https://charm.sh	https://bob.ibm.com
Language	go	javascript
Release Date	July 29, 2025	September 2, 2025
Last Updated	April 28, 2026	May 20, 2026
Provider Type	Independent	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	All Crush-compatible models from Anthropic, OpenAI, Deepseek, Gemini, Groq, etc.	Multi-provider (IBM-managed)
Pricing Model	BYOK	Freemium
Free Tier	Yes	Yes
Price Range	Free (BYOK)	Free / $20-200/mo
Source Code Availability	Open Source (FSL-1.1-MIT)	Proprietary Software
Source Code	https://github.com/charmbracelet/crush	https://github.com/IBM/ibm-bob
Development State	active	active