Perplexity AI is an AI-driven chat and search engine that leverages advanced technology to offer precise answers to your questions. Utilizing large language models, it provides not only accurate responses but also includes citations and links to related topics. It’s accessible for free through a web browser and also available as a mobile app on the Apple App Store. Much like using ChatGPT, you start by entering a text prompt into Perplexity AI. Additionally, you can direct the AI to pull information from a variety of live sources, including Reddit, academic papers, YouTube, and the entire Internet.