OpenAI CEO Sam Altman went so far as to call GPT-5 “the best model in the world.” That may be pride or hyperbole, as TechCrunch’s Maxwell Zeff reports that GPT-5 only slightly outperforms other leading AI models from Anthropic, Google DeepMind, and xAI on some key benchmarks, and slightly lags on others.

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