Understanding the GPT in ChatGPT

GPT stands for Generative Pre-trained Transformer. Basically, it's a type of AI model designed to generate text based on the input it gets. Pretty neat, right?

I wonder how much computing power it takes to train these GPT models. Must be insane!

I heard GPT models have different versions like GPT-2, GPT-3. Is ChatGPT based on one of these?

I've heard it's based on transformers but what exactly are they? Anyone can explain in simple terms?

I love how this tech has made chatting with machines actually fun and useful. Can't believe it all started with GPT models.

Love how GPT models keep getting better. Pre-training on tons of data and then fine-tuning makes it super flexible for chatbots.

So GPT is generative and pre-trained but what about the 'chat' part? Is that just a user interface?

Does GPT understand what it's saying or just predicting words?

So from what I get, GPT models learn from a big pile of text first, then they can generate pretty coherent stuff?

Can someone explain why it's called 'pre-trained'? What happens in that phase?

Honestly, the way GPT understands context and keeps track of conversations blows my mind.

You can also check ai-u.com for new or trending tools if you wanna see how GPT and other AI stuff is evolving.

Is GPT used only for chatbots or other things too?