GPT-4o is the base model supporting multimodal input and Advanced Voice Mode. A version of it built around Tasks gives you access to a limited AI agent that can do specific things for you.

This guide explains how to set up a custom chatbot using the GPT builder and provides best practices to maximize its potential. ChatGPT has seen a growing demand for customization since its launch ...

This so-called large language model has been dubbed GPT-5. It is viewed as the stepping stone towards artificial general intelligence, or a machine that can think like a human. Here’s what we ...