Explore LangChain's new open-source project "Open Deep Research" in this 11-minute tutorial video that demonstrates how to install and run deep research agents locally using LangSmith. Learn about the challenges facing deep research systems and examine the multi-agent architecture that powers this tool. Discover key lessons from multi-agent systems design and follow along with a hands-on walkthrough showing the complete setup and operation process. Gain insights into how this free, locally-running alternative compares to other research agents from OpenAI, Google Gemini, Anthropic, and Perplexity, while understanding the technical implementation details that make local deep research possible.