What it is
Perplexity is an AI answer engine. Ask a question and it searches the web, answers conversationally, and includes citations with links to the original sources so you can check them and dig further. According to its help center, you can choose among models including OpenAI's GPT models and Anthropic's Claude. The paid Pro subscription adds features such as Pro Search, Deep Research and file and app creation, and there is also an API platform for developers.
Who it's for:people who need to know where information comes from, such as students, journalists and researchers.
Before you start: free to use, with advanced features in the Pro subscription. See the official site for pricing.
Based on the official site's public information. Not tested by AI Inspiration World.