Using Deep Research in Perplexity can help when a question requires more than a quick web search. Perplexity’s Research mode searches across multiple sources, evaluates information, and produces a detailed report with citations.
It can be useful for topics such as technology, finance, marketing, academic research, current affairs, product comparisons, and other questions that require information from several sources.
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How to Use Deep Research in Perplexity
Perplexity provides a dedicated Research mode for in-depth questions.
Follow these steps:
- Open the official Perplexity website or a supported Perplexity app.
- Sign in to your account.
- Click or tap the mode selector near the search box.
- Choose Research.
- Enter a clear and specific research question.
- Submit the query.
- Allow Perplexity to search, analyze sources, and prepare the report.
- Review the final answer and its cited sources.
Research mode is currently available through Perplexity on the web, supported mobile experiences, and the Mac app.
Perplexity may also ask clarifying questions before beginning if your original request is too broad. Answering these questions can help the tool produce a more relevant report.
How Perplexity Deep Research Works
Research mode performs a more extensive process than a standard search.
Perplexity says the feature can perform dozens of searches and read hundreds of sources while researching a topic.
Instead of relying on a single search result, the system can repeatedly search for information, evaluate what it finds, and adjust its research process as it learns more about the subject.
It then combines the information into a structured report.
Research mode can also use search and coding capabilities when a task requires calculations or data analysis.
The final result includes sources so users can inspect where important information came from.
What Can You Use Perplexity Research For?
Research mode is designed for questions that require deeper analysis rather than a short factual answer.
Possible uses include:
- Academic research
- Technology research
- Product comparisons
- Market research
- Finance topics
- Marketing analysis
- Current affairs
- Travel planning
- Professional due diligence
- Research involving uploaded documents
For simple questions, regular Perplexity Search may be faster and more appropriate.
Research mode becomes more useful when you need several sources compared, summarized, or analyzed together.
How to Write a Better Deep Research Prompt
The quality of the research depends partly on how clearly you describe your goal.
Instead of entering a broad request such as:
Research electric cars
use something more specific, such as:
Compare the battery range, charging speed, pricing, and warranty of the leading electric cars available in India in 2026. Use official manufacturer information where possible and explain the main advantages and disadvantages of each model.
A detailed prompt tells Perplexity what information matters and how you want the report organized.
Include Important Details
Useful details can include:
- The exact topic
- Country or region
- Time period
- Comparison criteria
- Preferred sources
- Desired report format
- Specific questions you want answered
For example:
Compare Android and iPhone software update policies for flagship phones sold in India in 2026. Use official manufacturer sources and present the results in a table.
This is more useful than simply asking:
Android vs iPhone
Use Follow-Up Questions
You do not necessarily need to fit everything into one prompt.
After receiving the initial research report, you can ask follow-up questions to explore individual findings in greater detail.
For example, after researching electric vehicles, you could ask:
Now compare only the charging networks available for the top three models.
Perplexity’s upgraded Deep Research experience also supports follow-up interaction during the research process.
Use Your Own Files With Deep Research
Perplexity Research can also work with uploaded documents.
You can upload supported files and ask the system to analyze them alongside information found on the web.
For example, you could upload a financial report and ask:
Analyze this report alongside the company’s latest publicly available results and explain the biggest changes in revenue, expenses, and risk factors.
This can be useful when your research requires both private documents and current public information.
Avoid uploading confidential or sensitive information unless you understand the service’s data and privacy settings.
Can You Choose an AI Model for Deep Research?
Research mode works differently from regular model selection.
Perplexity says Research automatically selects the models it considers appropriate for the research task.
Users therefore do not manually choose a specific model while using Research mode.
This is important because the models available inside Perplexity can change over time.
Instead of choosing a model, focus on writing a clear research question and specifying the information you need.
Is Perplexity Deep Research Free?
Perplexity currently provides limited Research access to free users.
Perplexity Pro subscribers receive extended access to Research.
The company can change usage limits as it adjusts computing resources and subscription plans, so fixed daily numbers may not remain accurate for long.
Check your Perplexity account or the official subscription page for the current allowance available to your plan.
Review the Sources Before Using the Report
A detailed AI-generated research report should not automatically be treated as correct.
Perplexity provides citations and links to original sources, making it easier to check important claims.
When accuracy matters:
- Open the citations supporting important statements.
- Prefer official or primary sources when available.
- Check publication dates.
- Compare conflicting information.
- Confirm important statistics independently.
- Avoid relying on a single AI-generated summary for high-stakes decisions.
Research mode can save time finding and organizing information, but users should still verify important claims.
Export and Share Research Reports
Perplexity allows Research reports to be shared and, depending on the current interface and account features, exported into supported document formats.
This can be useful when you want to:
- Share research with colleagues
- Save a report for later
- Continue editing the findings
- Turn research into a longer document or presentation
Available export and sharing options can vary as Perplexity updates its products.
Deep Research vs Regular Perplexity Search
Regular Search is better suited to quick questions and straightforward information.
Deep Research is more appropriate when a question requires multiple searches, comparison between sources, deeper reasoning, or a structured report.
For example:
Regular Search:
What is the battery capacity of a particular phone?
Deep Research:
Compare the battery life, charging speed, battery capacity, software optimization, and long-term battery features of five flagship phones.
Using Research mode for every simple question is unnecessary. Choose it when the extra depth actually provides value.
The Final Words
Using Deep Research in Perplexity is useful when you need a detailed answer built from multiple sources rather than a quick search result.
Choose Research from the mode selector, enter a focused question, and give the system enough detail about the topic, time period, region, and comparison criteria.
Perplexity can search numerous sources, work with uploaded documents, perform deeper analysis, and produce a structured report with citations.
However, always review important sources yourself before relying on the final report, especially for financial, medical, legal, academic, or other high-stakes research.
Sources
Perplexity Help Center — What is Research mode?
Perplexity Help Center — What’s New in Advanced Deep Research
Perplexity Help Center — Tips for Getting Better Answers from Perplexity
Perplexity Help Center — What advanced AI models are included in my subscription?
Last verified: September 9, 2026
