Nanocode vs. zerostack

Feature	Nanocode	zerostack

Tagline	Minimal Claude Code alternative in ~250 lines	Minimal Rust coding agent optimized for memory footprint
Website	https://github.com/1rgs/nanocode	https://gi-dellav.github.io/zerostack/
Language	python	rust
Release Date	January 11, 2026	May 12, 2026
Last Updated	August 19, 2026	September 4, 2026
Provider Type	Independent	Independent
MCP Support	No	Yes
Multi-Agent Support	No	Yes
Git Integration	none	deep
Multi-File Editing	Yes	Yes
Auto Test Running	No	Yes
Sandbox / Permissions	No	Yes
Image / Multimodal Input	No	Yes
Voice Mode	No	No
IDE Integration	None - Terminal only	Zed (via ACP), Neovim (via CodeCompanion.nvim + ACP)
Hooks / Extensions	No	Yes
Web Search	No	Yes
Local Model Support	No	Yes
Context Window	Model-dependent	Model-dependent; auto-compaction
Supported Models	Claude family of models via the Anthropic API + Any model supported via OpenRouter (400+ models)	OpenRouter (default), OpenAI, Anthropic, Gemini, Ollama, plus unlimited custom OpenAI-compatible endpoints (vLLM, LiteLLM, enterprise gateways)
Pricing Model	BYOK	Free, BYOK
Free Tier	Yes	Yes
Price Range	Free (BYOK)	Free (BYOK)
Source Code Availability	Open Source (MIT)	Open Source (GPL-3.0)
Source Code	https://github.com/1rgs/nanocode	https://github.com/gi-dellav/zerostack
Development State	active	active