Amp vs. Vix

Feature	Amp	Vix

Tagline	The frontier coding agent	Sleek, Fast and Token Efficient AI Coding Agent
Website	https://ampcode.com	https://getvix.dev
Language	typescript	go
Release Date	April 14, 2025	June 1, 2026
Last Updated	May 7, 2026	June 4, 2026
Provider Type	AI Lab	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	VS Code	N/A
Hooks / Extensions	Yes	Yes
Web Search	Yes	Yes
Local Model Support	No	No
Context Window	Model-dependent	Model Dependent
Terminal Bench 2.0		#1 · 90.0% ±2.1 ²
Supported Models	Claude Opus 4.7/4.5, Sonnet, GPT-5.5, GPT-5.3-Codex, Gemini 3.1 Pro / Flash	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	Usage Based	$0
Free Tier	Yes	No
Price Range	Free daily grant, then usage-based	$0
Source Code Availability	Proprietary Software	Open Source (AGPL-3.0)
Source Code		https://github.com/kirby88/vix
Development State	active	active