Skip to the document
Madhuopen lab
Outcome School · Transformers and architecture13 min read

by Amit Shekhar · 31 May 2026

Multi-Head Attention in Transformers

Multi-Head Attention in Transformers. We will understand what it is, how it works step by step, and why it gives Transformers their power to understand language so well.

2,500 words#llm#ai#machine-learning3 recall cards

Multi-Head Attention in Transformers
Read on Outcome School ↗then come back to lock it in
Before you read, guess

What concept must be understood before studying Multi-Head Attention?

Ten seconds, a guess, then read — a wrong guess still makes the answer stick.

What this article covers

  1. What is Multi-Head Attention?
  2. A quick recap of Self Attention
  3. Why do we need Multi-Head Attention?
  4. Step-by-step working of Multi-Head Attention
  5. A simple example walk-through
  6. Where Multi-Head Attention is used
  7. Advantages of Multi-Head Attention

The article lives on outcomeschool.com. Read it there, then come back: the tutor in the margin has read it and will answer questions, and the questions below check what stayed.

Before you go

In one sentence, what was this chapter about?

From memory, without scrolling up. Writing it is what makes it yours; the grade is only to show you what you had.

How sure?