# Hands-On Large Language Models by Jay Alammar and Maarten Grootendorst

5 Hacker News commenters recommended Hands-On Large Language Models by Jay Alammar and Maarten Grootendorst and 0 criticized it, November 2025 to November 2026. It was recommended in 3 of 13 months.

**Verdict:** Up-to-date guide with examples across major foundation model providers, plus practical chapters on structured outputs and evaluation.

## Why people recommend it

- Covers all major foundation model providers (1 comments): "Up to date and has examples for all of the major foundation model providers" ([source](https://news.ycombinator.com/item?id=46959293))
- Practical structured output extraction chapter (1 comments): "The chapter on structured outputs shows how to extract out data from text" ([source](https://news.ycombinator.com/item?id=47080932))
- Worked accuracy calculation on ground truth (1 comments): "it goes through an example ground truth and calculating accuracy" ([source](https://news.ycombinator.com/item?id=47075360))

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## Where to get it

- [See price on Amazon](https://www.amazon.com/dp/1098150961?tag=hackerapprove-20) (affiliate link)
- [Bookshop.org](https://bookshop.org/a/130825/9781098150969) (affiliate link)

## Cite as

Hacker Approved, "Hands-On Large Language Models by Jay Alammar and Maarten Grootendorst", https://hackerapproved.com/p/hands-on-large-language-models/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).