The Rise of Reasoning Models | RLHF & Post-training Course Lecture 5
Welcome to The RLHF Book & Post-Training Course with Nathan Lambert. This lecture covers Chapter 7 on Reasoning & Inference-time Scaling Ask questions and I'll answer them in the next roundup video! Slides for this lecture: https://rlhfbook.com/teach/course/lec... 00:00 - Introduction & Core Concepts 10:41 - The 2025 Cambrian Explosion of Reasoning Models 34:54 - Common Implementation Patterns 42:42 - Open Questions & Conclusion All resources will be available at https://rlhfbook.com/ Order a copy of the book (physical recommended) on Manning.com: https://hubs.la/Q03Tc3dc0 Order a copy on Amazon: https://amzn.to/4cwCDJQ With specific course resources at https://rlhfbook.com/course (recording links, slides in PDF and native form, etc.) And code at https://rlhfbook.com/code Get more information on Nathan at http://natolambert.com/ and stay up to date with his work on Interconnects https://www.interconnects.ai/ Course YouTube playlist: • Welcome to The RLHF Book & Post-Training C... Join the book's Discord Community: / discord Nathan is on… X: / natolambert LinkedIn: / natolambert GitHub: https://github.com/natolambert BlueSky: https://bsky.app/profile/natolambert.... Threads: https://www.threads.com/@natolambert Substack: https://substack.com/@natolambert Slides are built with Colloquium: https://github.com/natolambert/colloq... Thank you to my many collaborators who helped me learn this information I get to share with the world!

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