# Attention in transformers, step-by-step | Deep Learning Chapter 6

**Published:** October 14, 2026
**Author:** 3Blue1Brown
**Source:** YouTube — 3Blue1Brown
**Language:** en-US
**HTML:** https://aiqazaqstan.com/en/articles/attention-in-transformers-step-by-step-deep-learning-chapter-6

In the last chapter, you and I started to step through the internal workings of a transformer. This is one of the key pieces of technology inside large language models, and a lot of other tools in the modern wave of AI. It first hit the scene in a now-famous 2017 paper called…

> From the original source: **YouTube — 3Blue1Brown**
> [Read full article at YouTube — 3Blue1Brown](https://www.youtube.com/watch?v=eMlx5fFNoYc)

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