How ChatGPT Works?

Victor Rivera
5 min readAug 5, 2023
Photo by Mariia Shalabaieva on Unsplash

In an era where artificial intelligence is becoming increasingly intertwined with our daily lives, ChatGPT stands out as a remarkable example of our strides in natural language processing. At first glance, it might seem like magic — a machine that can generate text that reads like a human wrote it. But beneath the surface lies a complex tapestry of algorithms, data, and innovations working harmoniously to power this linguistic marvel. This article aims to take you on a journey through the intricacies of ChatGPT, shedding light on how it converts strings of characters into coherent and contextually relevant responses.

The Foundation: GPT Architecture

At the core of ChatGPT’s brilliance is the GPT, or Generative Pre-trained Transformer, architecture. This architecture, developed by OpenAI, is a true testament to the fusion of linguistics and technology. The transformer-based model redefined the landscape of natural language processing by introducing attention mechanisms. Imagine a symphony where each instrument plays in harmony with the others — attention mechanisms allow GPT to process words about all other words in a sentence, simulating the human ability to understand the context.

Training Process: From Data To Understanding