Codebuff vs. Vix

Feature	Codebuff	Vix

Tagline	AI coding assistant for your terminal	Sleek, Fast and Token Efficient AI Coding Agent
Website	https://codebuff.com	https://getvix.dev
Language	typescript	go
Release Date	November 4, 2024	June 1, 2026
Last Updated	April 28, 2026	June 4, 2026
Provider Type	Independent	Independent
MCP Support	Yes	Yes
Multi-Agent Support	Yes	Yes
Git Integration	deep	shallow
Multi-File Editing	Yes	No
Auto Test Running	Yes	No
Sandbox / Permissions	Yes	Yes
Image / Multimodal Input	Yes	Yes
Voice Mode	No	No
IDE Integration	None - terminal only	N/A
Hooks / Extensions	Yes	Yes
Web Search	Yes	Yes
Local Model Support	Yes	No
Context Window	Model-dependent	Model Dependent
Terminal Bench 2.0		#1 · 90.0% ±2.1 ²
Supported Models	Any supported OpenRouter model	Anthropic Models (Opus 4.8 / 4.7 / 4.6), OpenAI (GPT-5.1 / o3 / 4o), MiniMax, Xiaomin MiMo and 300+ Models on OpenRouter.
Pricing Model	Freemium	$0
Free Tier	Yes	No
Price Range	Free 500 credits/mo / $100-500/mo	$0
Source Code Availability	Open Source (Apache-2.0)	Open Source (AGPL-3.0)
Source Code	https://github.com/CodebuffAI/codebuff	https://github.com/kirby88/vix
Development State	active	active