Google Deep Research Max: Autonomous Research Agent Scores 93.3% on DeepSearchQA — Fuses Web + Private Data via MCP in Single API Call

Google Blog·medium signal

Google's Deep Research Max (on Gemini 3.1 Pro) hit 93.3% on DeepSearchQA (up from 66.1% in December) and 54.6% on Humanity's Last Exam. Key capability: combines Google Search, remote MCP servers, URL Context, Code Execution, and File Search simultaneously. Accepts multimodal inputs (PDFs, CSVs, images, audio, video). Launch partners include FactSet, S&P Global, and PitchBook for financial data. Available in public preview via Gemini API paid tiers.