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“I want a sourced research report in 10 minutes, not 30 open tabs”

Consultants, students, creators and the curious who need to understand a topic in depth — the state of a market, a technical comparison, a substantive question — and cite their sources, without spending the afternoon on it.

Recommended agent: Deep Research

💰 $0 to $20/month (limited free versions; full research included in ChatGPT Plus or Google AI Pro, about $20/month). Level: Intermediate 🌍 United States Limited version offered free by ChatGPT and Gemini; full version (more searches, longer reports) with the paid subscriptions around $20/month

Price verified on 2026-10-29.

Deep Research, the in-depth research feature built into ChatGPT (chatgpt.com) and Gemini: you ask a substantive question, the agent goes off to explore the web for several minutes, reads and cross-checks dozens of sources, then hands you a structured report with the references cited — instead of an improvised answer in ten seconds.

How it works

Trigger: You launch an in-depth research on a topic — breaks down the question, explores and reads the sources, cross-checks contradictory information and writes the report, and you get a sourced report of several pages, ready to verify and reuse.

Step-by-step setup

Open ChatGPT or Gemini with an account (the full version requires a paid subscription, see cost).
Turn on Deep Research and phrase a precise question, with the context and what the report must contain.
Let it run (allow 5 to 15 minutes) and answer its clarification questions if it asks any.
Verify the important passages by clicking the cited sources before reusing the report.

⚠️ Guardrails: A well-presented report can contain well-presented errors: click through to the sources for the important claims, especially the numbers. For sensitive topics (health, law, money), the report is a starting point, not a conclusion.

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Frequently asked questions

How much does Deep Research cost?

$0 to $20/month (limited free versions; full research included in ChatGPT Plus or Google AI Pro, about $20/month). Limited version offered free by ChatGPT and Gemini; full version (more searches, longer reports) with paid subscriptions around $20/month. Price verified on October 29, 2026.

Is Deep Research free?

Yes, in part. Limited version offered free by ChatGPT and Gemini; full version (more searches, longer reports) with paid subscriptions around $20/month.

Is Deep Research hard to get started with?

Level: Intermediate. Setup takes 4 steps; the first: Open ChatGPT or Gemini with an account (the full version requires a paid subscription, see cost).

What limits and guardrails should I know about with Deep Research?

A well-presented report can contain well-presented errors: click through to the sources for important claims, especially figures. For sensitive topics (health, law, money), the report is a starting point, not a conclusion.