How to use Deep Research with the Gemini API

This article provides a comprehensive tutorial on using the Deep Research agent with the Gemini API. It covers the new features of the deep-research-preview-04-2026 and deep-research-max-preview-04-2026 versions, including collaborative planning, native charts, remote MCP server support, and multimodal research grounding. The guide includes step-by-step instructions for installing the Python SDK, setting up API keys, running asynchronous research tasks, and implementing collaborative planning to refine research plans before execution. It is a technical resource for developers working with Google's AI and API tools.