Stanford CME295 Transformers & LLMs | Autumn 2025 | Lecture 6 - LLM Reasoning

For more information about Stanford’s graduate programs, visit: https://online.stanford.edu/graduate-education November 7, 2025 This lecture covers: • Reasoning models • RL for reasoning • GRPO • Scaling To follow along with the course schedule and syllabus, visit: https://cme295.stanford.edu/syllabus/ Chapters: 00:00:00 Introduction 00:12:43 Reasoning models 00:27:49 Benchmarks 00:32:04 Pass@k metric 00:48:07 Scaling with RL 00:57:44 GRPO 01:06:03 Comparison between GRPO and PPO 01:16:14 Length bias 01:25:00 DAPO, Dr. GRPO 01:29:38 DeepSeek R1 recipe Afshine Amidi is an Adjunct Lecturer at Stanford University. Shervine Amidi is an Adjunct Lecturer at Stanford University. View the course playlist: https://www.youtube.com/playlist?list=PLoROMvodv4rOCXd21gf0CF4xr35yINeOy