GPT-5 is more than an upgrade. It aims to be a single, smarter system that blends reasoning, multimodality, cost efficiency, and usability into one.

Rest assured, GPT-5 is launching today. When it's available, the ChatGPT homepage should have a message introducing the new model, which reads: "Introducing GPT-5: ChatGPT now has our smartest, fastest, most useful model yet, with thinking built in - so you get the best answer, every time."