Zero vs. Pi

Feature	Zero	Pi

Tagline	Open-source Go coding agent for the terminal, 25+ providers	A minimal terminal coding harness
Website	https://zero.gitlawb.com/	https://pi.dev
Language	go	typescript
Release Date	May 28, 2026	December 2, 2025
Last Updated	September 4, 2026	August 19, 2026
Provider Type	Independent	Independent
MCP Support	Yes	No
Multi-Agent Support	Yes	Yes
Git Integration	deep	deep
Multi-File Editing	Yes	Yes
Auto Test Running	Yes	Yes
Sandbox / Permissions	Yes	Yes
Image / Multimodal Input	Yes	Yes
Voice Mode	Yes	No
IDE Integration	Zed, JetBrains, Neovim (via ACP)	None - Terminal only
Hooks / Extensions	Yes	Yes
Web Search	No	Yes
Local Model Support	Yes	Yes
Context Window	Model-dependent; auto-compaction	Model-dependent; auto-compaction
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	20+ providers: Anthropic, OpenAI, Google, Mistral, OpenRouter, Groq, Ollama, xAI, Azure, Bedrock
Supported Subscriptions	ChatGPT SuperGrokX Premium+	GitHub Copilot Claude Code ChatGPT
Pricing Model	Free, BYOK	BYOK
Free Tier	Yes	Yes
Price Range	Free (BYOK)	Free (BYOK)
Source Code Availability	Open Source (MIT)	Open Source (MIT)
Source Code	https://github.com/Gitlawb/zero	https://github.com/badlogic/pi-mono
Development State	active	active