If you're wondering what all the hoopla is about, and what makes GPT-5 better, or different, than the company's previous AI models, here's a quick run down of some of the key new features and functionality.

OpenAI has begun rolling out GPT-5, the latest iteration of its flagship language model, to all ChatGPT users.

That totally makes up for the single-digit benchmark gains, right? OpenAI unveiled its most capable model yet on Thursday with the launch of GPT-5.… AI hype man and OpenAI CEO Sam Altman described it as like talking to your own personal expert that can write applications on demand.