Zero vs. Muse Code

Feature	Zero	Muse Code

Tagline	Open-source Go coding agent for the terminal, 25+ providers	Meta's coding agent for the terminal and CI, built on Muse Spark
Website	https://zero.gitlawb.com/	https://developer.meta.com/ai/products/muse-code/
Language	go	rust
Release Date	May 28, 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	deep	deep
Multi-File Editing	Yes	Yes
Auto Test Running	Yes	No
Sandbox / Permissions	Yes	Yes
Image / Multimodal Input	Yes	Yes
Voice Mode	Yes	Yes
IDE Integration	Zed, JetBrains, Neovim (via ACP)	None - terminal only
Hooks / Extensions	Yes	Yes
Web Search	No	No
Local Model Support	Yes	No
Context Window	Model-dependent; auto-compaction	1M tokens
Supported Models	25+ providers: GitLawb OpenGateway (default), AI/ML API, OpenAI, Anthropic, Gemini, xAI, ChatGPT/Codex, OpenRouter, Groq, DeepSeek, Together, Fireworks, Qwen, Moonshot, MiniMax, Bedrock, Vertex, Z.ai, KiloCode, OpenCode Zen/Go; local via Ollama and LM Studio	Muse Spark 1.2, Muse Spark 1.1
Supported Subscriptions	ChatGPT SuperGrokX Premium+	—
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/Gitlawb/zero	N/A
Development State	active	active