Charm Crush vs. Cosine

Feature	Charm Crush	Cosine

Tagline	Glamourous agentic coding for all	Your coding agent in your terminal.
Website	https://charm.sh	https://cosine.sh/cli
Language	go	go
Release Date	July 29, 2025
Last Updated	August 19, 2026	September 4, 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	VS Code
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 via Charm Hyper from Anthropic, OpenAI, Deepseek, Gemini, Groq, etc.	Lumen Scout, Lumen Outpost; GPT-5.5/5.4, Claude Opus 4.7/4.6, Claude Sonnet 4.6, Gemini 3.1 Pro, Gemini 3 Flash, Kimi K2.6, GLM 5.1, MiniMax M2.7, Qwen 3.6 Plus, DeepSeek v4 Pro
Pricing Model	BYOK	Usage Based, Freemium, Subscription
Free Tier	Yes	No
Price Range	Free (BYOK), $0 - $20 / month	$19-999/mo
Source Code Availability	Open Source (FSL-1.1-MIT)	Proprietary Software
Source Code	https://github.com/charmbracelet/crush	N/A
Development State	active	active