OpenBlock vs Vix

Feature	OpenBlock	Vix

Tagline	A self-improving coding agent that handles the full dev lifecycle	Sleek, Fast and Token Efficient AI Coding Agent
Website	https://openblocklabs.com/	https://getvix.dev
Language	typescript	go
Release Date	March 16, 2026	June 1, 2026
Last Updated	August 19, 2026	August 19, 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
Supported Models	400+ via OpenRouter (Claude, GPT, Gemini, Grok, open-source)	Anthropic Models (Opus 4.8 / 4.7 / 4.6), OpenAI (GPT-5.1 / o3 / 4o), MiniMax, Xiaomin MiMo and 300+ Models on OpenRouter.
Supported Subscriptions	-	Claude Code ChatGPT
Pricing Model	Freemium	Free
Free Tier	Yes	No
Price Range	$10-100 (credit-based)	$0
Source Code Availability	Proprietary Software	Open Source (AGPL-3.0)
Source Code	N/A	https://github.com/kirby88/vix
Development State	active	active