Muse Code vs. Plandex

Feature	Muse Code	Plandex

Tagline	Meta's coding agent for the terminal and CI, built on Muse Spark	Open source AI coding agent for large projects and real world tasks
Website	https://developer.meta.com/ai/products/muse-code/	https://github.com/plandex-ai/plandex
Language	rust	go
Release Date	August 5, 2026	March 14, 2024
Last Updated	September 4, 2026	August 19, 2026
Provider Type	AI Lab	Independent
MCP Support	Yes	No
Multi-Agent Support	Yes	No
Git Integration	deep	deep
Multi-File Editing	Yes	No
Auto Test Running	No	Yes
Sandbox / Permissions	Yes	Yes
Image / Multimodal Input	Yes	No
Voice Mode	Yes	No
IDE Integration	None - terminal only	None - Terminal only
Hooks / Extensions	Yes	No
Web Search	No	No
Local Model Support	No	Yes
Context Window	1M tokens	2M tokens effective
Supported Models	Muse Spark 1.2, Muse Spark 1.1	Any OpenAI-compatible models and 400+ models from OpenRouter.
Pricing Model	Usage Based	Free
Free Tier	No	Yes
Price Range	Usage-based (from $0.10/M tokens)	Free (self-hosted)
Source Code Availability	Proprietary Software	Open Source (MIT)
Source Code	N/A	https://github.com/plandex-ai/plandex
Development State	active	inactive