Amp vs. Zero

Feature	Amp	Zero

Tagline	The frontier coding agent	Open-source Go coding agent for the terminal, 25+ providers
Website	https://ampcode.com	https://zero.gitlawb.com/
Language	typescript	go
Release Date	April 14, 2025	May 28, 2026
Last Updated	June 29, 2026	September 4, 2026
Provider Type	AI Lab	Independent
MCP Support	Yes	Yes
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	No	Yes
IDE Integration	VS Code	Zed, JetBrains, Neovim (via ACP)
Hooks / Extensions	Yes	Yes
Web Search	Yes	No
Local Model Support	No	Yes
Context Window	Model-dependent	Model-dependent; auto-compaction
Supported Models	Claude Opus 4.8, GPT-5.5, GPT-5.3-Codex, Gemini 3.1 Pro / Flash	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
Supported Subscriptions	—	ChatGPT SuperGrokX Premium+
Pricing Model	Usage Based	Free, BYOK
Free Tier	Yes	Yes
Price Range	Free daily grant, then usage-based	Free (BYOK)
Source Code Availability	Proprietary Software	Open Source (MIT)
Source Code		https://github.com/Gitlawb/zero
Development State	active	active