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Have you ever been unsure which tool to use when searching for information with AI? Perplexity AI is an AI-powered search engine that provides up-to-date information complete with cited sources. In this article, we'll explain everything from the basics of Perplexity AI to its most useful features in a way that's easy for beginners to understand.
As of 2026, Perplexity AI is an AI-powered search engine attracting attention around the world. Unlike a conventional search engine, it uses AI to understand your question, gather the necessary information, and present it in a clear, organized way.
Its standout feature is answers with cited sources. It always displays where the information came from (which website it was retrieved from), so you can verify for yourself whether the information is trustworthy.
Compared to Google and ChatGPT (a conversational AI), Perplexity AI's strength lies in searching the web in real time and instantly delivering the latest information. Because you can start using it for free, it's also recommended for those new to AI.
Perplexity AI offers features useful in a wide variety of situations. Here we introduce 5 particularly handy features.
It collects news articles from the past week across multiple sites and summarizes them for you. Source links are displayed alongside the summary, so you can quickly check them whenever you want to learn more.
You can easily narrow your search to specific sources such as Academic (scholarly papers), YouTube, and Reddit (an international discussion forum). This caters to needs like "I only want to look at papers" or "I want to learn through videos."
Using the Deep Research feature, the AI performs repeated searches on complex topics and compiles a detailed report. In the 2026 version, a high-performance AI model called Opus 4.5 is used.
Upload a PDF or image file and it will summarize the content for you. The free plan allows up to 3 files per day, while the paid plan offers unlimited use. It can also generate programming code.
A feature called Model Council has three different AI models generate answers simultaneously, compares them, and selects the best response.
Even first-time users can get started easily in just three steps.
Visit the official site (perplexity.ai). You can log in with a Google account, Apple ID, or email address. In fact, you can use the search feature without registering, but creating an account lets you keep your history for convenience.
Type your question in the search box in natural language. Phrases like "Tell me about AI news in 2026" or "What's the latest research on climate change?" work perfectly fine.
The AI will compile a response within seconds. Source links are displayed below the answer, so you can click them to check the original information. You can also continue asking follow-up questions.
If you want to narrow your search, select a filter below the search box (All, Academic, YouTube, etc.) to search only specific types of content.
Every tool has its strengths and weaknesses. Let's look at the pros and points to watch out for with Perplexity AI.
Perplexity AI is especially recommended for the following types of people:
On the other hand, if you want to write creative text or build complex programs, ChatGPT or Claude (an AI by Anthropic) may be more suitable. 2026 is said to be the era of the "AI multi-tool," and using different tools according to your purpose is the most efficient approach.
Perplexity AI is an AI search engine that delivers the latest information along with cited sources. Let's recap the key points:
First, try out the free version to see if it's right for you. The speed and accuracy of your information gathering will surely change.
This article is a cross-post from AI Friends.
