Perplexity
AI-powered search engine that combines web search, conversational answers, and citations to support research and source verification.
Content reviewed on September 3, 2026
What is Perplexity?
Perplexity combines web search and generated answers to reduce the time required for initial research. Users can ask a question, receive a synthesis, and open the cited references to inspect the underlying information. This approach is useful for early research, comparisons, and recent topics. However, the system can misinterpret a source or choose references that are not ideal, so original sources should be reviewed when accuracy matters.
Perplexity main features
- Web search combined with summarized natural-language answers.
- Visible citations and links to the sources used.
- Follow-up questions that preserve the context of the research.
- Deeper search modes depending on the available subscription.
- Features aimed at research and information comparison.
What can Perplexity be used for?
Use case 1
Quickly research a recent topic and obtain sources for further reading.
Use case 2
Compare products, services, or concepts using several references.
Use case 3
Build an initial source list before writing a report.
Use case 4
Answer focused questions where identifying the origin of information is useful.
Advantages and limitations
Advantages
- Makes it easy to inspect the sources used to build an answer.
- Reduces time during the first stage of research.
- Supports related follow-up questions without restarting the research process.
Limitations
- The presence of a citation does not guarantee that the source was interpreted correctly.
- Selected sources may not always be the strongest references for a particular question.
- Available capabilities and limits depend on the selected subscription.
Who is Perplexity best for?
How to use Perplexity
- 1
Write a specific question and include any important criteria.
- 2
Read the answer and review the included citations.
- 3
Open relevant sources and confirm the information directly.
- 4
Use follow-up questions to explore specific aspects in more depth.
Frequently asked questions
What is Perplexity?
AI-powered search engine that combines web search, conversational answers, and citations to support research and source verification.
What can Perplexity be used for?
Quickly research a recent topic and obtain sources for further reading.
Does Perplexity have a free plan?
Perplexity offers a free plan or free mode. Limits and conditions may change, so review the current information on its official website.
How much does Perplexity cost?
Perplexity uses a freemium pricing model. Visit its official website for current plans, prices and conditions.
Who is Perplexity best for?
Perplexity may be especially useful for Professionals who regularly conduct web research., Students who need to locate sources and obtain initial context., Content creators who want to gather references before writing..
Does SG Hub sell this tool?
Not necessarily. SG Hub is an editorial and informational directory that may include official or affiliate links to third-party services.