Perplexity AI is an AI-driven search engine and chatbot that uses large language models (LLMs) to answer user queries by drawing information from the web and providing cited sources within its ...

Learn how to use Perplexity AI and how it compares to Google and ChatGPT, offering transparent, reliable, and customizable ...

You can use Perplexity without an account, but you'll get more out of it if you sign up for one. In the Windows app, click the Expand key at the bottom of the left sidebar. From there, you can sign up ...

A sprawling Russian disinformation network is manipulating Western AI chatbots to spew pro-Kremlin propaganda, researchers ...