4 minutes of reading

Deep Research – how to use AI for effective research?

Oskar Szymkowiak

06 March 2025

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What is Deep Research?

Deep Research is an advanced method of analyzing information using artificial intelligence to quickly and accurately process large datasets from multiple sources at once. Unlike traditional research based on manual verification of individual sources, Deep Research—supported by AI models (e.g. ChatGPT Deep Research)—automatically identifies errors and eliminates data inconsistencies.

Traditional data verification methods are insufficient for two reasons:

  1. Time-consuming manual analysis – According to the report “B2B Content Marketing Benchmarks, Budgets, and Trends: Outlook for 2024”, as many as 57% of B2B marketers say creating content relevant to their audience is a major challenge—mainly due to the time needed to collect and verify data manually.
  2. High cost of factual errors – According to Gartner, poor data quality costs organizations an average of $15 million per year, highlighting the real consequences of inaccurate or insufficient verification.

Implementing Deep Research allows companies to avoid these issues, increase content quality, and significantly reduce the time needed for data analysis.

How does Deep Research work?

Deep Research works by using models like Gemini, Perplexity, or ChatGPT Deep Research to scan hundreds of documents, reports, or articles and extract key data in a short time. The AI then compares this information and detects discrepancies or contradictions.

The AI eliminates inconsistent data by comparing results from different sources. For example, if the model finds a report stating that the Polish AI market is worth PLN 500 million (source X), while another says PLN 700 million, Deep Research identifies the difference and selects the most reliable value based on additional sources or criteria such as recency, publisher reputation, or consistency with other publications.

This way, the user saves time and receives verified, reliable data without manually reviewing dozens of sources.

Analytical Graphs

source: (unsplash.com)

Practical use of Deep Research in content marketing:

Fact-checking before publication – Deep Research automatically compares statistics and study results from multiple sources, reducing the risk of publishing inaccurate information. In a comparison of Deep Research vs. ChatGPT, standard ChatGPT provides data without deep verification, while Deep Research actively checks sources.

  • Competitor analysis – Deep Research allows you to quickly review which data and arguments your competitors use in their content. Compared to Deep Seek, both tools perform similar analyses, but Deep Research is better at automatically identifying contradictions and variations.
  • Industry report generation – Deep Research enables quick creation of reports by collecting key trends and figures without the need for manual source browsing. This allows marketing teams to deliver valuable content in hours instead of days.
  • Content strategy optimization – Deep Research helps determine the most relevant topics based on current customer challenges, improving the precision of published materials. Trend analysis also supports better editorial calendar planning, resulting in higher audience engagement.

Comparison of standard AI models vs. models with Deep Research enabled:

Deep Research vs. ChatGPT:

Standard ChatGPT generates content based on general knowledge and predicted responses without automatic source verification. Deep Research, on the other hand, analyzes current data, cites sources, and eliminates conflicting information.

Deep Research vs. Gemini:

Gemini typically produces fast, accurate answers but doesn’t automatically verify their correctness across multiple sources. Gemini Deep Research offers multi-source analysis, minimizing the risk of factual errors.

Deep Research vs. O1, Deep Seek, Perplexity:

Standard models like O1, Deep Seek, or Perplexity provide solid answers, but only in Deep Research mode (e.g. Perplexity Pro) do they deliver detailed source verification and contradiction detection. Without this mode, results require manual fact-checking by the user.

Want to implement AI in your company?

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How to make the most of Deep Research?

Evaluating AI-sourced information:

  • Data freshness – Check the publication dates of reports and studies provided by the AI. The best sources are no older than 1–2 years.
  • Source reputation – Use data from trusted organizations like Gartner, Deloitte, Content Marketing Institute, or industry reports such as Clutch.co.
  • Information consistency – Compare data from at least 3 sources. Matching results usually indicate high reliability.

How to interpret results provided by Deep Research?

If Deep Research shows conflicting values (e.g. AI market size in Poland is 500 million PLN vs. 700 million PLN), evaluate sources using three criteria: publication date, source reputation, and whether the result aligns with data from other reports. In case of major discrepancies, verify manually by searching for the mentioned reports. If the data is incorrect or unverifiable, consider changing the claim or rewriting the section – so your argument is always supported by reliable data (this doesn’t have to mean changing the narrative).

Practical tips for using Deep Research effectively:

Verify content generated by AI

If you're writing with the help of basic ChatGPT or Gemini, paste selected content into Perplexity in Deep Research mode to automatically verify accuracy and sources. This helps you avoid factual errors.

Quickly check competitor credibility

Use Deep Research to verify numbers shared by competitors (e.g. in reports or case studies). It helps spot potential errors or inflated claims.

Use AI to optimize content for SEO

Enter your article topic or planned title into Deep Research to see which data points are most cited or popular in the industry. This helps tailor your content to audience interests and relevant keywords.

Automate industry reports

Do you create reports regularly? Ask Deep Research for top trends or stats in your field (e.g. UX, e-commerce, or web apps). You'll get a quick overview without sifting through hundreds of sources – which you can later summarize using a model like GPT-4o into one file.

When to combine Deep Research with manual research?

Combine AI with manual research when automated analysis returns conflicting results or unreliable sources. For strategic or controversial business decisions, manually verifying key data will help you avoid costly mistakes.

Is Deep Research the future of data analysis?

Yes, Deep Research is the future of data analysis. It enables instant verification of far larger data sets than manual analysis and significantly reduces the risk of factual errors.

Industries that will benefit the most:

  • Marketing & media – fast data verification during content production.
  • E-commerce – trend and competitor data analysis.
  • Business consulting – generating industry reports and strategies based on verified insights.

Interested in Deep Research?

Get in touch with us and discover how to leverage AI in your company.

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