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EdTech Innovation Hub's coverage confirms the April 22, 2026 public preview launch of Gemini 3.1 Pro-powered Deep Research and Deep Research Max agents via the Gemini API, emphasizing their role as autonomous research tools that search the open web, user-uploaded files, and connected data sources through MCP servers. T The article reiterates that Deep Research Max runs approximately 160 search queries per task using extended test-time compute, iteratively refining its output, while the standard agent prioritizes speed and cost for interactive products. Named financial data partners FactSet, S&P Global, and PitchBook are building MCP