DEEP RESEARCH

AREX and the July deep-search papers point to the next useful research-agent primitive: a ledger of claims, constraints, failed paths, and unresolved questions that survives beyond the chat transcript.

SearchOS turns web research from a growing chat transcript into shared state: frontier tasks, evidence graphs, coverage maps, and failure memory. That is the pattern serious deep-research agents need.

OpenAI has merged its browsing capabilities with deep research into a single agent that can take action on the web, generate spreadsheets and slide decks, and handle complex multi-step tasks from sta...

OpenAI's Deep Research is an AI agent inside ChatGPT that plans and executes multi-step research workflows, browsing dozens of websites and producing cited reports in minutes instead of hours.

Google's Gemini Advanced includes a deep research feature that searches dozens of websites, verifies information across multiple sources, and generates detailed cited reports. Here is how it works and how it compares to other AI research tools.