Pi vs Vix

Feature	Pi	Vix

Tagline	A minimal terminal coding harness	Sleek, Fast and Token Efficient AI Coding Agent
Website	https://pi.dev	https://getvix.dev
Language	typescript	go
Release Date	December 2, 2025	June 1, 2026
Last Updated	August 19, 2026	August 19, 2026
Provider Type	Independent	Independent
MCP Support	No	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; auto-compaction	Model-dependent
Supported Models	20+ providers: Anthropic, OpenAI, Google, Mistral, OpenRouter, Groq, Ollama, xAI, Azure, Bedrock	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	GitHub Copilot Claude Code ChatGPT	Claude Code ChatGPT
Pricing Model	BYOK	Free
Free Tier	Yes	No
Price Range	Free (BYOK)	$0
Source Code Availability	Open Source (MIT)	Open Source (AGPL-3.0)
Source Code	https://github.com/badlogic/pi-mono	https://github.com/kirby88/vix
Development State	active	active