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Deep Research turns a conversation into a research run. Instead of one answer, Cortex plans a set of questions, reads live sources for each in parallel, and writes a report with citations. You review the plan before it runs and read the report on the thread when it is done.
Chat composer prefilled with “Research the latest on” and the model chip showing Deep Research enabled

The Research card on Chat home prefills the composer and switches Deep Research on — the chip now ends in “De…” for Deep Research.

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Turn it on

Either:
  • Open the model chip under the composer and switch on Deep Research — Plan the questions, read live sources and write a cited report.
  • Choose the Research card on Chat home. It prefills Research the latest on and enables Deep Research for that conversation.
Then describe what you want to know. The more specific the ask, the sharper the plan.

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The run

1

Plan

Cortex proposes the questions it will answer. The plan appears as a research block on the thread. Review it; a plan that has not been run still offers Start when you come back to the thread later.
2

Run

Choose Start. Each question runs as its own background child, in parallel with the others, fetching and reading sources. Start disappears once the run has begun.
3

Read the report

The report lands on the thread with its citations. Plan and report persist as research blocks, so you can return to them, ask follow-ups, or start a plan from the conversation.

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Limits

A research run has its own loop and its own limits. It does not inherit Chat’s eight-round tool budget, and it does not draw tool-start / tool-end chrome for every fetch.

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Where Deep Research lives

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Tips

  • Ask for the shape you want back: a comparison table, a timeline, a one-page brief with sources.
  • Attach documents to the same thread when your question depends on them; the run can read Library attachments alongside live sources.
  • For a quick factual answer, leave Deep Research off — a normal turn with web search is faster.

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Related

  • Models — the chip where the toggle lives.
  • Plans — turn the report into a task list.
  • How Chat works — the ordinary tool loop that Deep Research replaces.