Keen Code vs. Vix

Feature	Keen Code	Vix

Tagline	Terminal coding agent in Go with a deliberately lean tool set	Sleek, Fast and Token Efficient AI Coding Agent
Website	https://mochow13.github.io/keen-code/	https://getvix.dev
Language	go	go
Release Date	February 16, 2026	June 1, 2026
Last Updated	September 4, 2026	August 19, 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	No	Yes
Voice Mode	No	No
IDE Integration	None - terminal only	N/A
Hooks / Extensions	No	Yes
Web Search	No	Yes
Local Model Support	Yes	No
Context Window	Model-dependent; auto-compaction	Model-dependent
Terminal Bench 2.0		#1 · 90.0% ±2.1 ²
Supported Models	Anthropic, OpenAI, Codex via ChatGPT OAuth, Google AI, Moonshot Kimi, Z.ai GLM, DeepSeek, MiniMax, Amazon Bedrock, OpenCode Go, plus any OpenAI-compatible endpoint	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	ChatGPT	Claude Code ChatGPT
Pricing Model	Free, 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/mochow13/keen-code	https://github.com/kirby88/vix
Development State	active	active