Muse Code vs. Prime Agent

Feature	Muse Code	Prime Agent

Tagline	Meta's coding agent for the terminal and CI, built on Muse Spark	Model-agnostic terminal coding agent built on a persistent IPython runtime
Website	https://developer.meta.com/ai/products/muse-code/	https://www.primeintellect.ai/blog/prime-agent
Language	rust	typescript
Release Date	August 5, 2026	May 8, 2026
Last Updated	September 4, 2026	September 4, 2026
Provider Type	AI Lab	AI Lab
MCP Support	Yes	Yes
Multi-Agent Support	Yes	Yes
Git Integration	deep	basic
Multi-File Editing	Yes	Yes
Auto Test Running	No	No
Sandbox / Permissions	Yes	No
Image / Multimodal Input	Yes	Yes
Voice Mode	Yes	No
IDE Integration	None - terminal only	Zed, VS Code (via ACP)
Hooks / Extensions	Yes	Yes
Web Search	No	No
Local Model Support	No	Yes
Context Window	1M tokens	Model-dependent
Supported Models	Muse Spark 1.2, Muse Spark 1.1	20+ providers: Claude, GPT, Gemini, Mistral, Groq, Cerebras, xAI, DeepSeek, MiniMax, Xiaomi MiMo, Bedrock, Ollama, vLLM, LM Studio
Supported Subscriptions	—	ChatGPT Claude Code GitHub Copilot
Pricing Model	Usage Based	Free, Subscription, BYOK
Free Tier	No	Yes
Price Range	Usage-based (from $0.10/M tokens)	Free (BYOK)
Source Code Availability	Proprietary Software	Open Source (MIT)
Source Code	N/A	https://github.com/PrimeIntellect-ai/prime-agent
Development State	active	active