GPT (Generative Pre-trained Transformer)

Friendly Description: GPT is a family of large language models created by OpenAI. The name sounds technical, but it just describes how the model was built: it's generative (it makes things), it was pre-trained (it studied huge amounts of text first), and it uses a design called a transformer (the architecture behind most modern AI). GPT models are what power tools like ChatGPT.

Example: When you use ChatGPT to summarize an article or brainstorm gift ideas, you're talking to a GPT model behind the scenes. Each new version (GPT-3, GPT-4, and so on) has been bigger and more capable than the last.