Sebastian Raschka releases 11-hour 'Build Your Own Reasoning Model' video course

rasbt · x · 2026-10-25

Sebastian Raschka has published his complete reasoning-models-from-scratch video course: 8 videos, 11+ hours of Python/PyTorch coding covering evaluation, inference-time scaling, reinforcement learning, and distillation. It's the companion to his book Build a Reasoning Model (From Scratch) and the sequel to his Coding LLMs course, starting from a pre-trained LLM and implementing improvements hands-on. He also explains how reasoning models relate to today's agents, and says he'll return with LLM research roundups in November.

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