Perplexity

Hi, I'm Mel. This is Perplexity: an AI search tool built to answer questions from the web and show you where the answer came from. It can feel like a chat, but search is the point. In the next few minutes, I'll show you how to use the free version and how to check what it gives you.

Start with a question rather than a row of keywords. Ask what you want to understand, compare or decide, and add useful boundaries: the country, the period, the kind of evidence, or the audience. Perplexity reads that as a research question. It searches the web, brings the useful material together and writes one answer instead of handing you a page of blue links.

This is the difference. The answer is written in plain language, but claims carry links back to their sources. You can read the summary first, then open the evidence behind a sentence. That makes Perplexity useful for current questions: market changes, travel planning, product comparisons, background research, or a quick briefing before a meeting. It also means you are not trapped inside the AI's wording.

Open Sources to see what Perplexity used. Look for the original report, official page or named expert before relying on a summary written about it. Then check three things: is the source credible, is it current enough for the question, and does it support the claim beside the citation? A citation shows the route back. It does not guarantee that the answer took the right route.

Search becomes conversational once the first answer arrives. Ask for a shorter explanation, compare two options, narrow the geography, or challenge an assumption. The session keeps the earlier question, answers and sources together, so each follow-up can build on the last. If the first answer is weak, do not start again immediately. Tell Perplexity what is missing and ask it to search differently.

On the free plan, Search is the everyday setting and the system chooses the model for you. A free account also includes a small allowance of deeper searches and basic file uploads, but the limits can change. Model choice, frequent research and creating finished files sit in paid plans. You may also see Computer beside Search. That is Perplexity's agentic workspace and uses paid credits, so it is not part of this free-search tour.

The free account still gives your research some structure. Attach a report or PDF and ask questions about it, within the free upload limits. Sign in and your sessions stay in your history, ready to continue. For work you will return to, put related sessions and files into a Project. And when you want a signed-in search kept outside normal history, switch to Incognito; that session expires rather than becoming part of your saved research.

Perplexity makes research faster, but the final judgement remains yours. Open the strongest sources, especially for money, health, law or a decision affecting somebody else. Check the date, the author and the underlying evidence. If sources disagree, ask Perplexity to show the disagreement instead of smoothing it away. The best use is not accepting a polished answer quickly. It is reaching material you can inspect without doing the whole search by hand.

Start free with one question you would normally put into a search engine. Read Perplexity's answer, open two of its sources and ask one follow-up. That short loop — question, evidence, follow-up — is the habit that makes Perplexity different from ordinary search and safer than treating it as just another chat window.