Junie CLI vs Muse Code

Feature	Junie CLI	Muse Code

Tagline	An LLM-agnostic coding agent built for real-world development	Meta's coding agent for the terminal and CI, built on Muse Spark
Website	https://junie.jetbrains.com	https://developer.meta.com/ai/products/muse-code/
Language	shell	rust
Release Date	July 15, 2025	August 5, 2026
Last Updated	June 3, 2026	September 4, 2026
Provider Type	Independent	AI Lab
MCP Support	Yes	Yes
Multi-Agent Support	Yes	Yes
Git Integration	deep	deep
Multi-File Editing	Yes	Yes
Auto Test Running	Yes	No
Sandbox / Permissions	No	Yes
Image / Multimodal Input	Yes	Yes
Voice Mode	No	Yes
IDE Integration	JetBrains IDEs	None - terminal only
Hooks / Extensions	No	Yes
Web Search	Yes	No
Local Model Support	Yes	No
Context Window	Model-dependent	1M tokens
Terminal Bench	#21 · 71.0% ±2.9 (Terminal-Bench 2.0) ¹
AA Coding Agent Index	-	54% · Muse Spark 1.3 (max)
Supported Models	Multi-provider including BYOK	Muse Spark 1.2, Muse Spark 1.1
Pricing Model	Freemium	Usage Based
Free Tier	Yes	No
Price Range	Free (BYOK) / $10-60/mo	Usage-based (from $0.10/M tokens)
Source Code Availability	Proprietary Software	Proprietary Software
Source Code	https://github.com/JetBrains/junie	N/A
Development State	active	active