Codebuff vs. Cosine

Feature	Codebuff	Cosine

Tagline	AI coding assistant for your terminal	Your coding agent in your terminal.
Website	https://codebuff.com	https://cosine.sh/cli
Language	typescript	go
Release Date	November 4, 2024
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	Any supported OpenRouter model	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	Freemium	Usage Based, Freemium, Subscription
Free Tier	Yes	No
Price Range	Free 500 credits/mo / $100-500/mo	$19-999/mo
Source Code Availability	Open Source (Apache-2.0)	Proprietary Software
Source Code	https://github.com/CodebuffAI/codebuff	N/A
Development State	active	active