Aider vs. Keen Code

Feature	Aider	Keen Code

Tagline	AI pair programming in your terminal	Terminal coding agent in Go with a deliberately lean tool set
Website	https://aider.chat	https://mochow13.github.io/keen-code/
Language	python	go
Release Date	July 8, 2023	February 16, 2026
Last Updated	June 29, 2026	September 4, 2026
Provider Type	Independent	Independent
MCP Support	No	Yes
Multi-Agent Support	No	Yes
Git Integration	deep	basic
Multi-File Editing	Yes	Yes
Auto Test Running	Yes	Yes
Sandbox / Permissions	No	Yes
Image / Multimodal Input	Yes	No
Voice Mode	Yes	No
IDE Integration	VS Code, Neovim, Emacs	None - terminal only
Hooks / Extensions	Yes	No
Web Search	No	No
Local Model Support	Yes	Yes
Context Window	Model-dependent	Model-dependent; auto-compaction
Supported Models	Claude Sonnet 4.5/4.6, Claude Opus 4.5/4.6, GPT-5.4, GPT-4o, DeepSeek, Gemini, Llama, Qwen	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	BYOK	Free, BYOK
Free Tier	Yes	Yes
Price Range	Free (BYOK)	Free (BYOK)
Source Code Availability	Open Source (Apache-2.0)	Open Source (MIT)
Source Code	https://github.com/Aider-AI/aider	https://github.com/mochow13/keen-code
Development State	active	active