Codebuff vs. Keen Code

Feature	Codebuff	Keen Code

Tagline	AI coding assistant for your terminal	Terminal coding agent in Go with a deliberately lean tool set
Website	https://codebuff.com	https://mochow13.github.io/keen-code/
Language	typescript	go
Release Date	November 4, 2024	February 16, 2026
Last Updated	August 19, 2026	September 4, 2026
Provider Type	Independent	Independent
MCP Support	Yes	Yes
Multi-Agent Support	Yes	Yes
Git Integration	deep	basic
Multi-File Editing	Yes	Yes
Auto Test Running	Yes	Yes
Sandbox / Permissions	Yes	Yes
Image / Multimodal Input	Yes	No
Voice Mode	No	No
IDE Integration	None - Terminal only	None - terminal only
Hooks / Extensions	Yes	No
Web Search	Yes	No
Local Model Support	Yes	Yes
Context Window	Model-dependent	Model-dependent; auto-compaction
Supported Models	Any supported OpenRouter model	Anthropic, OpenAI, Codex via ChatGPT OAuth, Google AI, Moonshot Kimi, Z.ai GLM, DeepSeek, MiniMax, Amazon Bedrock, OpenCode Go, plus any OpenAI-compatible endpoint
Supported Subscriptions	—	ChatGPT
Pricing Model	Freemium	Free, BYOK
Free Tier	Yes	Yes
Price Range	Free 500 credits/mo / $100-500/mo	Free (BYOK)
Source Code Availability	Open Source (Apache-2.0)	Open Source (MIT)
Source Code	https://github.com/CodebuffAI/codebuff	https://github.com/mochow13/keen-code
Development State	active	active