The rise of artificial intelligence has revolutionized the way we find information, with tools ranging from content creation to advanced search. Among these innovations, Perplexity AI stands out as a search and answer assistant. Unlike generative AIs like ChatGPT, designed to provide conversational or creative insights, Perplexity takes a different approach. It combines the capabilities of natural language models (LLM) and real-time search techniques to deliver accurate, verifiable answers.
With a base of 15 million users per month In 2024, Perplexity AI meets the needs of academic, professional and personal research. All while ensuring that reliable sources are integrated for each answer.
What exactly is Perplexity AI?
Perplexity AI positions itself as a conversational search engine based on advanced language models like GPT-4, Claude 3.5, and Llama 3. Founded in 2022 in San Francisco, this AI provides users with quote-rich answers from reliable external sources. For us users, this is therefore a true information aggregator. This means that you not only receive an immediate answer, but also validation of the information via source links.
Dance what contexts, Perplexity thus adopts a similar approach to AI Overviews Google's Perplexity AI, which integrates succinct answers into search results. However, Perplexity AI goes further by interpreting the context of questions to offer personalized answers. It is particularly suitable for researchers, students and professionals thanks to its ability to combine speed, precision and transparency.
The key advantage of Perplexity AI lies in its ability to simplify complex searches by providing direct, complete and contextualized answers. It positions itself as a real alternative for users looking for reliable information without having to sort through multiple sources. Its Pro version, aimed at advanced users, also allows for more nuanced questions by adding features such as file analysis and image generation.
Operation and limits
Okay, now it's time to review the features of Perplexity AI. However, you should know that this test was performed on the free version, thus limiting interactions. The operation of Perplexity AI relies on natural language processing (NLP) technologies, which allow it to understand and interpret requests in real time.
To use this wizard, you will have three ways to access it:
- Website : Accessible without registration, the site allows immediate use by simply typing your question in the search bar. The site is very useful for carrying out a complete search on what interests you. As with a search engine, Perplexity AI will suggest questions related to your query. The icing on the cake is that you can go incognito for your searches.

- Chrome Extension – Perplexity Companion : This extension offers instant summaries of web pages, allowing users to get relevant answers without leaving their browsing page. Easy to install, it comes as a handy add-on for quick searches.

- Mobile apps (iOS and Android) : Perplexity is also available as an app on the Play Store and App Store, providing a mobile-friendly experience for users on the go.
La Pro version Perplexity AI is available by subscription from $20 per month. It offers advanced features like document analysis, image processing, and access to powerful models like GPT-4 and Mistral Large. This version also allows you to query AI on specific questions by benefiting from AI models optimized for in-depth answers.

Like any AI, Perplexity AI has its limitations. Although it attempts to minimize errors through source aggregation, it is not immune to errors or "hallucinations", a common problem among LLMs. Among the most recent controversies, you have the "Forbes" case. In June 2024, Forbes criticized the research assistant for “plagiarism” after finding similarities between a Forbes article and an answer generated by Perplexity. Aravind Srinivas, Perplexity’s CEO, admitted to flaws, but defended the tool as a mere aggregator.
Next, Wired and other experts have noted issues of non-compliance with the file robots.txtThese various complaints prompted an investigation by Amazon, host of Perplexity's server, to verify compliance with robot exclusion protocols.
However, if you use Perplexity AI for your personal research, it will have no impact. It is also very useful and precise, even in its free version. Not only do you get the information you are looking for, but also the source links where the AI has picked them up. For content writing, we recommend that you check the "plagiarism" rate of your article before publishing it.
Article updated on January 4, 2025 by Byothe











