Hackerspot

Hackerspot

AI Security

The Transformer Revolution

The Architecture Behind ChatGPT and Claude

Chady's avatar
Chady
May 26, 2026
∙ Paid

The transformer architecture is the reason ChatGPT exists. It’s the reason we can have this conversation with a machine at all. And it’s only been around since 2017.

Before transformers, we used Recurrent Neural Networks (RNNs) to process text. An RNN reads words one at a time, in sequence, like you reading this sentence left to right. Each word gets pro…

User's avatar

Continue reading this post for free, courtesy of Chady.

Or purchase a paid subscription.
© 2026 Hackerspot · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture