OpenAI admitted that it can be confusing for users to choose between all the different models, but the company has quietly ...

A transformer is a neural net: a software model capable of deep learning ... ChatGPT does is ultimately powered by calculus, and structured by simple Boolean logic. Under the hood, these models ...

Open AI introduced ChatGPT 4.5 in late February 2025 calling it their “largest and best model for chat” so far scaling the feature of unsupervised learning ... available to use for free ...