# Neural Networks (video series)

Source: https://freeaicourses.com/courses/3blue1brown-neural-networks
Last checked: 2026-09-15

## Who it is for

- Visual learners
- Anyone about to start a deep learning course
- Non-coders who like maths

## Who should skip it

- People who need a certificate
- Anyone who wants hands-on exercises

## What you can do afterwards

- Picture what a neural network is doing
- Explain gradient descent and backpropagation
- Understand the attention mechanism in transformers

## What the course covers

- What is a neural network?: Layers, weights and activations, drawn out.
- Gradient descent and backpropagation: How networks learn, step by step.
- Transformers and attention: How modern language models work inside.

## What works

- Outstanding animations
- Builds real intuition
- Short episodes

## What does not

- No exercises
- No certificate

## The catch

It's a video series, not a course. You'll understand a lot and build nothing unless you pair it with one.

## Take before

Nothing. This is a starting course: you need no AI or coding background.

## Take after

- Practical Deep Learning for Coders
- Neural Networks: Zero to Hero

## Verdict

Watch this whenever the maths behind neural networks feels like a black box. No code, but the best visual intuition you'll find anywhere, free or paid.

## Related pages

- [Practical Deep Learning for Coders](https://freeaicourses.com/courses/practical-deep-learning-for-coders)
- [Neural Networks: Zero to Hero](https://freeaicourses.com/courses/neural-networks-zero-to-hero)
- [AI learning path for non-coders](https://freeaicourses.com/paths/ai-for-non-coders)
- [All free AI courses, rated](https://freeaicourses.com/courses)