The artificial intelligence tool uses the fourth iteration of Meta’s Llama model, which Meta has touted as being more cost-efficient than competitors like ChatGPT and Gemini.

Perplexity is just the latest AI chatbot to be added to WhatsApp. Meta, which owns WhatsApp, has added its own Meta AI tool to the app in the form of a permanent button in the lower-right corner. This gives you quick access to the company’s AI but also means you might accidentally trigger it since you can’t hide the icon.

Facebook owner Meta Platforms has launched a stand-alone artificial-intelligence app, becoming the latest technology giant to enter a field already facing intense competition.