OpenCode vs. Vix

Feature	OpenCode	Vix
Tagline	The open source AI coding agent built for the terminal	Sleek, Fast and Token Efficient AI Coding Agent
Website	https://opencode.ai	https://getvix.dev
Language	typescript	go
Release Date	May 14, 2025	June 1, 2026
Last Updated	June 3, 2026	June 4, 2026
Provider Type	Independent	Independent
MCP Support	Yes	Yes
Multi-Agent Support	Yes	Yes
Git Integration	basic	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	VS Code, Cursor	N/A
Hooks / Extensions	Yes	Yes
Web Search	Yes	Yes
Local Model Support	Yes	No
Context Window	Model-dependent; auto-compact	Model Dependent
Terminal Bench 2.0	#66 · 51.7% 1	#1 · 90.0% ±2.1 2
Supported Models	OpenCode managed models, 400+ AI models from OpenRouter - OpenAI, Google, Moonshot AI, xAI, Minimax	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 (BYOK) / $10/mo	$0
Source Code Availability	Open Source (MIT)	Open Source (AGPL-3.0)
Source Code	https://github.com/anomalyco/opencode	https://github.com/kirby88/vix
Development State	active	active

¹ OpenCode tested with Claude Opus 4.5 on Terminal Bench v2.0.

² Vix tested with Claude Opus 4.7 on Terminal Bench v2.0.