How ChatGPT Works: A Guide to Its Interface on Mobile and Web

Why It Matters

A clear understanding of ChatGPT’s interface enables users and enterprises to tap its advanced features—voice interaction, custom GPTs, and research modes—boosting productivity and accelerating AI adoption across mobile and desktop workflows.

Summary

The guide walks users through the ChatGPT interface on both mobile and web, detailing how to access account settings, upgrade to Plus, and connect services like Gmail. It explains where to find chat history, how to enable temporary chats, and how to browse custom GPTs for specialized tasks. The article also maps the prompt bar’s placement, the plus (+) menu that unlocks features such as Agent mode, Deep research, Study Mode, web search and file uploads, and the voice icon that activates ChatGPT Voice with microphone and screen‑sharing capabilities. By highlighting each UI element, the piece equips beginners to navigate and leverage the full suite of ChatGPT tools across devices.