HOW DOES CHATGPT WORK? AS EXPLAINED BY THE CHATGPT TEAM

Summary from the TLDR AI newsletter

In this article, OpenAI's Evan Morikawa provides insights into ChatGPT's inner workings, covering input text processing and tokenization to prediction sampling using large language models. ChatGPT operates by turning tokens into numerical vectors (embeddings), multiplying them by a weight matrix of billions, and selecting the most probable next word. The tech is grounded in extensive pretraining to predict text based on vast internet data.