In Build a Reasoning Model (From Scratch), acclaimed ML research engineer Sebastian Raschka takes you inside the black box of reasoning-enhanced LLMs.
Sebastian Raschka
Manning is excited to share the latest work by best-selling author Sebastian Raschka, known for Build a Large Language Model (From Scratch). His new book, Build a Reasoning Model (From Scratch), takes the next step in practical AI by exploring how to create reasoning-capable systems from the ground up.
What the Book Covers
In Build a Reasoning Model (From Scratch), you’ll learn how to:
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Understand the principles that differentiate reasoning models from large language models
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Implement the core components of reasoning architectures step by step
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Apply modern research insights to make models logical, interpretable, and effective at problem solving
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Explore use cases where reasoning models outperform traditional LLMs
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Build hands-on projects that move beyond text generation into decision-making and structured reasoning
Why This Book Matters
Large language models have transformed the way we interact with AI—but their ability to reason is still limited. This book dives into the cutting-edge methods that are shaping the future: models designed to not just generate language, but to analyze, justify, and reason through problems.
Sebastian’s trademark teaching style makes advanced concepts approachable, with clear explanations and practical implementations you can follow and adapt to your own work.
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