Deep Research

Multi-step web research in ChatGPT

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OpenAI's ChatGPT deep research feature for conducting multi-step web research and producing detailed cited reports.

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releasePRIMARY2026-04-21

Google launches Deep Research Max with MCP, native charts, and 85.9% BrowseComp

Google added Deep Research and Deep Research Max to the Gemini API with collaborative planning, multimodal inputs, MCP support, and native charts. The agents push cited web-plus-private-data reports into developer workflows, and Max is tuned for slower overnight runs.