Transformer
The neural network design, introduced by Google researchers in 2017, that lets a model weigh how every word relates to every other word at once. It's the architecture behind nearly every major LLM, and the T in GPT.
“Every chatbot you've used is built on the transformer.”
See also
In the history of AI
Part of the Extended list
Transformer is on the Extended list: builder jargon, industry terms, and newer slang for when you want to go further. It entered common use around 2017.