Cercle bleu texturé et diffus sur fond blanc, élément graphique abstrait d'arrière-plan pour interface IA et LLM.

What is Perplexity? Everything you need to know about this search engine and chatbot

Perplexity AI combines search engine and chatbot. Instant answers, cited sources: discover its advantages and limitations for your research.
Updated on
7/10/2025
Perplexity website
Perplexity website

Reference your site on Google and The AIs todays

Audit your AI presence for free to get more customers.
Partager sur

Explanatory video

Perplexity is a new generation search engine combined with an intelligent conversational assistant. Designed to provide quick, accurate and well-sourced answers, it is positioned halfway between Google Search and an AI chatbot like GPT chat. Launched in 2022, it is experiencing increasing adoption thanks to its ability to respond to complex queries while displaying reliable references. Ce Complete guide to Perplexity AI explains its origin, how it works, its advantages, its limitations and the impact it could have on the search for information online.

Perplexity: a search engine assisted by artificial intelligence

Unlike traditional search engines that return a list of links, Perplexity AI provides a written response directly, accompanied by verifiable sources. The objective is clear: to reduce the time needed to find relevant and reliable information.

The interface is minimalistic and uncluttered, but behind this simplicity lies advanced technology. Perplexity Combine a large language model (LLM), capable of understanding natural language, and an online search system, which updates information in real time. The result: a tool that combines the power of a conversational assistant and the precision of a search engine.

The history and vision of Perplexity AI

Perplexity AI was founded in California by Aravind Srinivas and a team of researchers from Google, OpenAI, and Meta. Their objective: to rethink the way in which we seek and consume information, by integrating the power of LLM directly in the research process.

Since its launch, Perplexity has distinguished itself by its transparency. Each response generated is accompanied by links to the sources used, allowing the user to verify the veracity of the information. This approach contrasts with that of some AI chatbots that do not cite their references.

How does Perplexity AI work?

The heart of Perplexity AI is based on a dual technology: on the one hand, an advanced language model capable of understanding the context of a query and producing a clear answer; on the other hand, an integrated search engine that scans the web in real time to provide the most recent data.

When a user asks a question, Perplexity first formulates a preliminary answer using their LLM, then enriches and verifies this answer by consulting reliable sources on the Internet. This process limits factual errors and makes it possible to provide an up-to-date response, even on recent topics such as news, awards, or sports scores.

The uses of Perplexity AI

Perplexity is used by the general public as well as by professionals. Students and researchers use it to quickly find academic information, journalists to verify facts, and businesses to conduct sector intelligence.

It is especially popular for complex queries that require a clear summary from multiple sources. For example, instead of going through ten different articles, a user can get a direct summary, with corresponding links to go deeper. This makes it an extremely effective research and documentation tool.

The benefits of Perplexity AI

One of the main advantages of Perplexity AI is its transparency: each answer is accompanied by clickable quotations. This builds user trust and makes it easier to verify information.

Son Real-time update is also a strong point. Where some AI models are limited by their training date, Perplexity stays connected to the web and can respond to recent events. Its speed of execution, its refined interface and its ability to understand complex formulations make it a particularly pleasant tool to use.

Limits and precautions to take

Even though Perplexity reduces the risk of errors thanks to its quotations, it is not infallible. The quality of the answers depends directly on the sources available on the Internet, which can be a problem if these sources are themselves biased or inaccurate.

In addition, its full and unlimited access may require a paid subscription, and some advanced features remain reserved for registered users. Like any AI tool, it is no substitute for critical thinking and manual verification of information.

Strategic challenges for information research

The arrival of Perplexity AI is shaking up the online search market. By offering a more direct and more conversational experience than Google, it could appeal to some users who are tired of having to go through multiple pages of results.

For content editors, it also poses new questions: if people get their answers directly in Perplexity, they might visit the source sites less. This paradigm shift is similar to the one already observed with Google's rich snippets.

Recent and future developments

In 2024 and 2025, Perplexity AI has integrated new features, such as multimodal search that allows you to combine text and image in a query, or the possibility of customizing the style of responses. The developers also opened an API, allowing Perplexity to be integrated into third-party applications and business environments.

In the future, we can expect greater integration of voice and video, as well as collaborative features to facilitate teamwork on complex research.

The impact of Perplexity AI on AI and online research

Perplexity represents a new generation of hybrid search engines, capable of responding quickly and accurately while providing the necessary references. Its rise in power testifies to a profound evolution in the way we access information.

For users, this means less time spent looking and more time analyzing or exploiting the data they find. For web players, this means rethinking their visibility strategy, taking into account conversational research and the growing importance of AIs in content discovery.

Conclusion

Perplexity AI is not only a chatbot or a search engine: it is a new interface between humans and information. Its combination of conversational AI and real-time online research makes it a powerful, practical, and reliable tool.

By placing transparency and precision at the heart of its operation, Perplexity could well become a key player in information research in the years to come, and a serious competitor for established giants in the sector.

Les questions fréquentes sur Perplexity

What is Perplexity AI?

Perplexity AI is a hybrid search engine with a conversational assistant. It provides written answers and cites verifiable sources. The system combines an LLM and an online search in real time: an initial response then verification and enrichment.

How does Perplexity insure the sources?

Each response includes clickable links to the sources used. Real-time updates ensure that information is up to date. However, the quality depends on the sources available and may vary.

For what uses and what limits?

Useful for students, researchers, journalists, and professionals to quickly summarize and verify information. Limits: not infallible, depends on sources; full access may require a subscription and some advanced features may be limited.

Other articles on AI Models

Learn for free with our blog posts!

Ovirank is chosen by +100 brands, marketing teams and agencies around the world

Adel Lucas
logo clickfunnels
Adel Lucas
carole whakata
logo webflow
Carole Lainé
Alex Invest
logo podia
Alex Invest
Arnaud Labossière Tugan bara
logo wordpress
Arnaud Labossière
Audrey Marangon
logo webflow
Audrey Maragon
cheima braiki
logo shopify
Cheima Braiki
Guillaume Lujan
logo framer
Guillaume Lujan
Joris de sousa
logo shopify
Joris de Sousa
photo de profil du client Julie
logo wix
Julie Martin
lamia zinai
logo webflow
Lamia Zinai
luc alain
Logo LinkedIn blanc sur fond bleu, icône de réseau social professionnel
Luc Allain
romain ia
Logo LinkedIn blanc sur fond bleu, icône de réseau social professionnel
Romain AI
Sandrine Chissos
Logo LinkedIn blanc sur fond bleu, icône de réseau social professionnel
Sandrine Chissos

Is your site well referenced on Google and AI?

Otherwise, Ovirank can help you optimize your content, find the right keywords, analyze your visibility in LLMs like ChatGPT.
A single platform to dominate Google and AIs.