Gemini Deep Research: Build a Cited Brief Before a Client Meeting

Updated October 13, 2026. Built against the tool’s current screens and checked step by step. How we check this lesson

Gemini's Deep Research mode does not give you one quick answer. It writes a research plan, reads many websites for a few minutes and hands you a long report with sources. In this free lesson you use a practice copy of Gemini to prepare for a pitch meeting with a regional credit union. You choose Deep research from the plus menu, paste one clear request, read the plan before it starts, open the finished report, and then check where the most exact-looking numbers came from.

Start here first: Gemini in Gmail: Summarize a Thread and Draft the Reply (module 1 of Gemini for Google Workspace)

In the course: Part 5 · Gemini for Google Workspace (Module 40 of the full course)

Part of: Gemini Jump Start (step 4 of 4)

Part of: AI for Consulting & Agencies (step 3 of 3)

What you will do: research a prospect's industry before you meet them

You run Cedar & Pine Marketing, a made-up small agency, and you have a pitch meeting next week with a regional credit union. You want to know how credit unions use AI chatbots and email marketing, what results are normal, what the rules are and what to ask. You could spend an afternoon reading. Instead you ask Gemini to do the first pass.

In the practice copy you click the plus in the prompt box and choose Deep research, which adds a Deep research tag to the box. You paste a request that says who the meeting is with, what you need to find out and that every claim needs a citation, then send it. Gemini does not search yet. It writes a plan, you read it and click Start research. A few minutes later the report opens in a panel beside the chat. You read the first paragraph, follow a citation, and look at what you can do with the report next.

Who this is for

Consultants, agency staff, salespeople, analysts, office managers and anyone who has to sound informed about a company or an industry by tomorrow. You do not need any AI experience. The lesson is a practice copy, so nothing is searched and you do not need a Gemini account to take it.

Read the plan before you start

Deep Research begins with a plan. For our credit union request, Gemini named the report and listed five steps: research industry reports and adoption trends, identify the three most common use cases, search for case studies with numbers, investigate compliance and privacy rules such as NCUA guidance, GLBA and TCPA, and write five consultative questions for the meeting. The plan card shows three steps at first, with a More link for the rest, plus Edit plan and Start research buttons.

This is the cheapest place to fix a bad result. If step four had missed the rules the credit union cares about, you would click Edit plan and say so before any searching happens. We started the research without editing the plan, so we tested it separately: clicking Edit plan sends "Edit the research plan" as a message, and Gemini replies "This is the current plan. What changes do you want to make?" and lists the plan, so you type your change in chat. In our run the Start research button also began to fill, as if it would start by itself after a short wait, so do not leave the page open if you want to change anything.

What came back

The research took about five minutes, and Gemini showed a thinking panel with the sites it was reading while it worked. It produced a long report, much longer than the short report we asked for: a title, an overview, three use cases (conversational AI for member support, triggered email based on member behavior, and lead qualification and application pre-review), a table of benchmarks, a regulatory section with a vendor due-diligence table, five questions to ask in the meeting, and a list of about two dozen sources used plus a second list of sources read but not used. Ask for a shorter report, or export it and cut it down yourself.

The report opens in a panel on the right with three buttons: Contents, Share & Export and Create. Share & Export offered Share, Export to Docs, Export to Notebook and Copy contents. Export to Docs opened a new Google Doc in a new tab, named after the report; Contents opens a list of the report's headings. We did not click Share. Create offered Web page, Infographic, Quiz, Flashcards and Audio Overview, and a box to describe your own app. Flashcards or the audio are useful for rehearsing before the meeting.

Check the numbers before you say them

The first paragraph of our report said that 41.67% of credit unions have deployed AI in specific areas, 8.33% have scaled it enterprise-wide, and 58.33% use chatbots or virtual assistants for member engagement. Those are very exact figures, but they are all multiples of 8.33. That pattern suggests a survey of about a dozen organizations. That is our inference from the numbers, not something the report said, which is exactly why it is worth checking.

Each paragraph has a small arrow that opens its source card. For that paragraph the source was a blog post on a vendor's website, not the survey itself. We clicked the card, which opened the page in a new tab. The post credited the figures to a survey of credit union leaders by CULytics, and the numbers matched the report, so Gemini quoted it correctly. But the post never said how many leaders answered, so a reader cannot tell whether the percentages mean 5 out of 12 or 500 out of 1,200. A citation only tells you where to look. Before you quote a number in a meeting, open the source and check who ran the survey, when, and how many people answered. Also note that Deep Research read sources from vendors and trade blogs as well as regulators such as the NCUA, so rank them in your head.

A follow-up question did not behave as hoped

After the report, we typed a follow-up in the same chat asking how many credit unions were surveyed behind the 41.67% figure. Gemini replied only that it had completed the research and compiled the brief, and offered to tailor or expand a section. It did not answer the question. So do not count on a follow-up to audit the report. Open the source cards yourself, or start a new normal chat and ask the specific question there.

Mistakes to avoid

• Starting the research without reading the plan. It is the only point where you can steer it for free.
• Quoting a precise-looking statistic without opening its source. Check who ran the survey, when, and how many answered.
• Treating a cited report as a verified one. A citation is a pointer, not proof.
• Sending the whole report to the client. It is long and written for you. Export it, cut it to a page, and keep only what you checked.
• Using Share without meaning to. It makes a link to the report.
• Pasting client secrets into the request. Describe the industry, not the client's private numbers.

Plans, limits and what to check

Deep Research is part of Gemini, and which plans include it, which model it uses and how many reports you can run are set by Google and change often. Our test used a paid Gemini plan. Read Gemini's help pages for current limits. Treat the report as a first draft by a fast research assistant, and check anything that matters before it leaves your desk.

Links

• Gemini: Google's AI assistant, where Deep Research lives. Which plans include it, and how often you can use it, is set by Google and changes.
• Gemini Apps Help: Google's own help pages for Deep Research limits and settings.

Step by step: Gemini Deep Research: Build a Cited Brief Before a Client Meeting

All 11 steps of the interactive module, in order. In the module you watch each one, then do it yourself in a practice copy that checks your work.

1. Ask for the research

1. Open the tools menu. This is the Gemini home screen. You run Cedar & Pine Marketing, a small agency, and you have a pitch meeting next week with a regional credit union. Click the + in the prompt box.

   This is Gemini. You run Cedar and Pine Marketing, a small agency. Next week you pitch a regional credit union, and you want to walk in prepared.

2. Choose Deep research. Click Deep research. On some screens it sits one level down, under More tools. It is a separate mode: instead of one quick answer, Gemini plans a search, reads many websites and writes a report.

   On some screens it's one level down, under More tools. It's a separate mode. Instead of one quick answer, Gemini plans a search, reads lots of websites, and writes a report.

3. Say what you need to know. A Deep research tag now sits in the box. Say who the meeting is with, what to find out, and ask for citations. Paste in the prompt.

   A Deep research tag now sits in the box. Say who the meeting is with, and what you need to find out. And ask for citations.

   I run a small marketing agency and have a pitch meeting next week with a regional credit union. Research how credit unions in the US are using AI chatbots and email marketing today: the 3 most common use cases, typical results, compliance and privacy concerns, and 5 smart questions to ask them in the meeting. Cite every claim. Keep the report short.

4. Send it. Click the blue send arrow. Gemini does not start searching yet. It writes a plan first.

   Gemini doesn't start searching yet. It writes a plan first.

2. Read the plan

5. Read the whole plan. The plan shows only the first three steps. Click More to read all five. This is your chance to fix the search before it starts: step 4 covers NCUA rules, GLBA and TCPA, which is what a credit union cares about.

   Gemini shows you its plan first. It only shows three steps, so click More to read all five. This is your chance to fix the search before it starts. Step four covers credit union rules, which is exactly what a credit union cares about.

6. Start the research. The plan is right, so click Start research. If it were not, click Edit plan: Gemini shows the plan again, asks what to change, and you answer in your own words. If you do nothing, it starts on its own after a few seconds.

   The plan looks right, so click Start research. If it didn't, you could click Edit plan. Gemini shows the plan again and asks what to change, and you answer in your own words. And if you do nothing, it starts by itself after a few seconds.

3. Read the report

7. Open the report. It says "ready in a few mins", and in our test it took about five. You can leave the chat and come back. When it is done the report opens in a panel on the right. If you come back later and it is closed, click Open on the report card.

   It says ready in a few minutes. In our test it took about five. You can leave the chat and come back. When it's done, the report opens on the right. If you come back later and it's closed, click Open on the report card.

8. Notice the numbers. Read the first paragraph. The numbers look very exact: 41.67%, 8.33%, 58.33%. Exact numbers feel trustworthy, but these are all multiples of 8.33, which suggests a very small survey. Click the small arrow after the paragraph to see where it came from.

   Read the first paragraph. The numbers look very exact. Forty-one point six seven. Eight point three three. Fifty-eight point three three. They're all multiples of eight point three three, which suggests a tiny survey.

4. Check the sources

9. Look at who said it. Click the source card. It opens a blog post on a vendor website, in a new tab. The post credits the numbers to a "CULytics survey of credit union leaders" but, in our test, never says how many leaders answered. A citation only tells you where to look. Find that gap before you quote the number.

   It opens a blog post on a company website, in a new tab. The post credits the numbers to a survey of credit union leaders, but it never says how many leaders answered. A citation only tells you where to look. Find that gap before you quote the number.

10. See how to take it with you. Click Share & Export. You can export to Docs, send it to a Notebook or copy it. Share makes a link, so use it only when you mean to. Export to Docs is the one to pick when you want to edit the brief down to a page: it opens a new Google Doc in a new tab, named after the report.

    You can send it to Docs, send it to a Notebook, or copy it. Share makes a link, so only use it when you mean to. Export to Docs is the one you want. It opens a new Google Doc in a new tab, so you can edit the brief down to a page.

11. See what else it can become. Click Create. From the same report Gemini can make a web page, an infographic, a quiz, flashcards or an Audio Overview. For a meeting, flashcards or the audio are a good way to rehearse.

    Last one. From the same report, Gemini can make a web page, an infographic, a quiz, flashcards, or an audio overview. Flashcards and audio are a good way to rehearse before the meeting.

Frequently asked questions

How does the interactive lesson work?

Each step is shown to you first (Watch). Then you do it yourself in a practice copy that checks every click (Your turn). If you get stuck, press Do it for me. It is a practice copy, so nothing is searched and no Google account is used.

Is Gemini part of Stepthrough?

No. Gemini is a separate product from Google at gemini.google.com. This lesson is free and teaches what we saw in a real Gemini account in October 2026. To use Deep Research for real you need your own Gemini account on a plan that includes it.

What is Gemini Deep Research?

Deep Research is a mode in Gemini where it writes a research plan, reads many websites over a few minutes and produces a long report with sources, instead of giving one quick answer. You start it from the plus menu in the prompt box; on some screens it is under More tools.

How long does Gemini Deep Research take?

In our test the report was ready in about five minutes, and Gemini said it would be ready in a few minutes. You can leave the chat while it works. Time varies with the topic.

Can I change what Gemini researches?

Yes. Before it starts, Gemini shows its plan, and the plan card has an Edit plan button. Read the full plan with the More link first. In our test, clicking Edit plan made Gemini show the plan again and ask what to change, and you reply in chat.

Can I trust the numbers in a Deep Research report?

Treat them as leads. Each paragraph links to its sources, but a citation only shows where a figure came from. In our test, a set of very exact statistics traced back to a vendor's blog post. Open the source, and check who ran the survey, when, and how many answered, before you repeat a number.

How do I get a Gemini Deep Research report into Google Docs?

Open the report panel and use the Share & Export menu, which offered Export to Docs, Export to Notebook and Copy contents in our test. Export to Docs opened a new Google Doc in a new tab. We did not click Share. Share creates a link, so use it only when you intend to share the report.

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