Open Interpreter vs. zerostack

Feature	Open Interpreter	zerostack

Tagline	Open-source coding agent built for low-cost and open-weight models	Minimal Rust coding agent optimized for memory footprint
Website	https://www.openinterpreter.com	https://gi-dellav.github.io/zerostack/
Language	rust	rust
Release Date	July 14, 2023	May 12, 2026
Last Updated	September 4, 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	Yes	Yes
Voice Mode	No	No
IDE Integration	Zed (via ACP)	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	Model-dependent; auto-compaction
Supported Models	100+ providers: Kimi K2/K3, OpenAI, Anthropic, DeepSeek, Qwen, GLM, Bedrock, Copilot, OpenRouter, Groq, MiniMax, Ollama, LM Studio	OpenRouter (default), OpenAI, Anthropic, Gemini, Ollama, plus unlimited custom OpenAI-compatible endpoints (vLLM, LiteLLM, enterprise gateways)
Supported Subscriptions	ChatGPT	—
Pricing Model	Free, BYOK	Free, BYOK
Free Tier	Yes	Yes
Price Range	Free (BYOK)	Free (BYOK)
Source Code Availability	Open Source (Apache-2.0)	Open Source (GPL-3.0)
Source Code	https://github.com/openinterpreter/openinterpreter	https://github.com/gi-dellav/zerostack
Development State	active	active