Perplexity

Perplexity is an AI-powered answer engine: you ask a question in plain language and it gives a direct, written answer that pulls from current web sources, with citations linking to where the information came from. Think of it as a hybrid of a search engine and a chatbot, instead of a list of blue links (Google) or an answer with no sources (a basic chatbot), it tries to give you a sourced answer. It can use various underlying AI models and searches the live web rather than relying only on training data.

Yes, Perplexity has a free tier that covers everyday questions, with a limited number of more advanced 'Pro' searches per day. Perplexity Pro is the paid subscription, which unlocks more Pro searches, access to more powerful AI models (and the ability to choose between them), file uploads, image generation, and other features. So you can use Perplexity for free for most quick questions, with the paywall around heavier use and the most capable models.

They are built for different jobs. Perplexity is optimised for finding current, sourced answers from the live web, strong when you want facts with citations. ChatGPT is a more general assistant for writing, brainstorming, coding and conversation, with web search as one feature among many. For 'what is true right now, and where did it come from,' Perplexity often shines; for open-ended creation and longer conversations, ChatGPT is usually preferred. Many people use both for different tasks rather than picking one.

For certain questions, many users find it faster, it gives a direct, summarised answer with sources instead of a page of links and ads, which is great for research and quick facts. But Google still wins for navigational searches (finding a specific site), local results, shopping, maps, and the sheer breadth of the web. Perplexity is best seen as a different tool for 'answer me this' rather than a full replacement for everything Google does. And like any AI, its answers should be verified for anything important.

It is generally more grounded than a plain chatbot because it cites sources you can check, which is its biggest reliability advantage. But it is still an AI summarising the web, so it can misread sources, surface low-quality ones, or occasionally state something wrong ('hallucinate'). The right habit is to use the citations: read the linked sources for anything that matters, rather than trusting the summary blindly. It is a powerful research starting point, not an infallible oracle.

Perplexity is a privately held startup, founded in 2022 and led by co-founder and CEO Aravind Srinivas, a former AI researcher. It is backed by prominent venture investors and high-profile individuals, and has raised funding at valuations in the billions of dollars as the AI-search race heated up. It is not publicly traded; the founders and investors hold the company.

Yes, citing sources is its signature feature and main selling point versus other chatbots. Each answer includes numbered references linking to the web pages it drew from, so you can click through and verify. This transparency is exactly what distinguishes it from AI tools that give an answer with no way to check where it came from. It is still wise to actually open those sources for important questions, since a citation is only as good as the page behind it.

It depends on how heavily you use it. Pro unlocks far more Pro searches, the choice of more powerful AI models, file analysis, and image tools, genuinely valuable for researchers, students, writers and professionals who use it daily. For occasional questions, the free tier is usually enough. The honest test is whether you regularly hit the free Pro-search limit or need the strongest models; if you do, Pro pays off, and if not, free works fine.