GPT (Generative Pre-trained Transformer)
Definition
The AI model family created by OpenAI. GPT-4o is the current flagship. 'Generative' means it creates content, 'Pre-trained' means it learned from data before you use it, and 'Transformer' is the underlying architecture.
Example
ChatGPT is the consumer product built on top of GPT models. When you chat with ChatGPT, you're actually talking to a GPT model.