OpenAI has made ChatGPT available over the phone and on WhatsApp.Users can call ChatGPT at 1-800-CHATGPT (in the US) or message it on WhatsApp at 1-800-242-8478.The phone call feature aims to make AI more accessible and allows users to engage with a simplified version of ChatGPT for up to 15 minutes per month.The WhatsApp integration provides a basic chat experience but lacks customization options available in the official ChatGPT application.