# Transformers Explained Visually

5 Hacker News commenters recommended Transformers Explained Visually and 3 criticized it, November 2025 to November 2026. It was recommended in 1 of 13 months.

**Verdict:** People recommend it for clearly explaining how transformers and attention heads work, especially for newcomers. One critic reported it slowed down a Chromebook.

## Why people recommend it

- Explains attention heads and internals (2 comments): "Nicely done. For me the most fascinating thing about attention heads is the place where Attention matrix is already computed" ([source](https://news.ycombinator.com/item?id=49793694)) "this one does the best job of explaining how the guts (attention heads etc) work" ([source](https://news.ycombinator.com/item?id=49800045))
- Helpful for newcomers to LLMs (2 comments): "I really appreciate this tool for enhancing my limited understanding the mechanism(s) behind attention and LLMs." ([source](https://news.ycombinator.com/item?id=49793365)) "Great UI and it was very helpful to me as a newcomer" ([source](https://news.ycombinator.com/item?id=49795374))
- Clear UI that speeds understanding (2 comments): "Great UI and it was very helpful to me as a newcomer" ([source](https://news.ycombinator.com/item?id=49795374)) "this made it so much quicker to see" ([source](https://news.ycombinator.com/item?id=49799302))

## Alternatives hackers recommend

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- [Ithihāsas](https://hackerapproved.com/p/ithih-sas.md): 18 recommend
- [Now I Get It](https://hackerapproved.com/p/now-i-get-it.md): 17 recommend

## Cite as

Hacker Approved, "Transformers Explained Visually", https://hackerapproved.com/p/transformers-explained-visually/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).