Keen Code vs. Muse Code

Feature	Keen Code	Muse Code

Tagline	Terminal coding agent in Go with a deliberately lean tool set	Meta's coding agent for the terminal and CI, built on Muse Spark
Website	https://mochow13.github.io/keen-code/	https://developer.meta.com/ai/products/muse-code/
Language	go	rust
Release Date	February 16, 2026	August 5, 2026
Last Updated	September 4, 2026	September 4, 2026
Provider Type	Independent	AI Lab
MCP Support	Yes	Yes
Multi-Agent Support	Yes	Yes
Git Integration	basic	deep
Multi-File Editing	Yes	Yes
Auto Test Running	Yes	No
Sandbox / Permissions	Yes	Yes
Image / Multimodal Input	No	Yes
Voice Mode	No	Yes
IDE Integration	None - terminal only	None - terminal only
Hooks / Extensions	No	Yes
Web Search	No	No
Local Model Support	Yes	No
Context Window	Model-dependent; auto-compaction	1M tokens
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	Muse Spark 1.2, Muse Spark 1.1
Supported Subscriptions	ChatGPT	—
Pricing Model	Free, BYOK	Usage Based
Free Tier	Yes	No
Price Range	Free (BYOK)	Usage-based (from $0.10/M tokens)
Source Code Availability	Open Source (MIT)	Proprietary Software
Source Code	https://github.com/mochow13/keen-code	N/A
Development State	active	active