Build a Large Language Model (from Scratch)
Sebastian Raschka
From the back cover: Build a Large Language Model (From Scratch) is a practical and eminently-satisfying hands-on journey into the foundations of generative AI.
Score based on developer article recommendations — not sales data or reviews.
🟢 Developer Verdict
A practical, deep dive into building large language models from scratch, offering a thorough understanding of their underlying mechanics.
Read this if
- ✓ You want to implement large language models from first principles.
- ✓ You seek a deep, hands-on understanding of generative AI foundations.
- ✓ You are ready for an advanced, up-to-date exploration of LLM internals.
Skip this for now if
- ✗ You are looking for a high-level overview or conceptual introduction to LLMs.
- ✗ You prefer learning LLMs through existing frameworks and high-level APIs.
- ✗ You are not comfortable with advanced machine learning implementation details.
🔄 Compare & Reading Path
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📊 Why Developers Recommend
It provides deep technical understanding of AI and machine learning.
Referenced by multiple developers, suggesting consistent practical value.
Valued for its practical approach — concepts connect directly to real-world engineering decisions and daily work.
💬 What Developers Say
"Sebastian Raschka is a legend in the machine learning community."
— somadevtoo · 10 Must-Read AI and LLM Engineering Books for Developers in 2026 · May 25, 2025
"I highly recommend reading it before diving into chapter 1."
— uponthesky · [Book Review] Build a Large Language Model (From Scratch) by Sebastian Raschka · Oct 8, 2025
"If you only read one book to truly *understand* how LLMs work under the hood, make it this one."
— somadevtoo · I Read 20+ Books on AI and LLM Engineering: Here Are My Top 10 Recommendations · Feb 18, 2026
Based on 5 developer article mentions
👤 Who Should Read This
Best for
- • Intermediate developers ready to go deeper
Less ideal for
- • Those who haven't written any code yet
- • Readers looking only for quick interview patterns
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Sebastian Raschka
Mentioned in 5 articles · #188 overall
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Recommended in 5 Articles
Leituras técnicas de 2024
10 Must-Read AI and LLM Engineering Books for Developers in 2026
I Read 20+ Books on AI and LLM Engineering: Here Are My Top 10 Recommendations
Creating the self-attention mechanism from scratch
[Book Review] Build a Large Language Model (From Scratch) by Sebastian Raschka
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