Deep Agents Code vs. zerostack

Feature	Deep Agents Code	zerostack

Tagline	A pre-built coding agent powered by any LLM with tool calling	Minimal Rust coding agent optimized for memory footprint
Website	https://docs.langchain.com/oss/deepagents/code/overview	https://gi-dellav.github.io/zerostack/
Language	python	rust
Release Date	October 19, 2025	May 12, 2026
Last Updated	August 19, 2026	September 4, 2026
Provider Type	Independent	Independent
MCP Support	Yes	Yes
Multi-Agent Support	Yes	Yes
Git Integration	basic	deep
Multi-File Editing	Yes	Yes
Auto Test Running	No	Yes
Sandbox / Permissions	Yes	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	Yes	Yes
Web Search	Yes	Yes
Local Model Support	Yes	Yes
Context Window	Model-dependent; compression at threshold	Model-dependent; auto-compaction
Terminal Bench 2.0	#29 · 66.5% ±3.1 ¹
Supported Models	Any LangChain model: Claude, GPT-5, Gemini, DeepSeek, Ollama, Groq, xAI	OpenRouter (default), OpenAI, Anthropic, Gemini, Ollama, plus unlimited custom OpenAI-compatible endpoints (vLLM, LiteLLM, enterprise gateways)
Supported Subscriptions	ChatGPT	—
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/langchain-ai/deepagents	https://github.com/gi-dellav/zerostack
Development State	active	active