How ChatGPT is built: from perceptrons to Transformers

View profile for Tuhin Chowdhury

3.5+ year industry experience | Software Engineer(Mid) - Backend - Mobile Application- Desktop App | ML enthusiasts | Automation-N8N

How is ChatGPT(LLM) built? At its core, it all starts with something very small: the perceptron. LLM (ChatGPT) ↓ billions of parameters ↓ Transformer architecture ↓ multiple layers ↓ neurons ↓ perceptrons A perceptron is a single artificial neuron. Think of it like this: When deciding whether to buy a mango, you check its color, size, and softness. Each factor is an input. You give them different importance—color may matter more than size. Combine them, add your personal preference, and decide: buy or don’t buy. That’s exactly what a Perceptron does. Training is tasting many mangoes and adjusting your choices. Prediction is deciding instantly once you’ve learned. Stack billions of perceptrons together, and you get the intelligence of Transformers—the foundation of large language models like ChatGPT. Big AI is built from very small decisions. NB : I’ve refined and organized these concepts using AI to present them more clearly and accessibly on LinkedIn. So, feel free to criticize my mistakes. #learnDL101 #deepLearning #LLM #perceptron

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Ashikur Rahman

Software Engineer at Inspir8 Bangladesh

3w

This is a good explanation of ANNs, but it's important to clarify that LLMs are a specialized type of neural network. They are specifically built for NLP tasks and are a progression from earlier models like LSTMs.

Well articulated

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