Chain-of-Thought and Beyond: How LLMs Actually Learn to Reason

"The ability to reason step-by-step is not just a feature. It might be the difference between a language model that sounds intelligent and one that actually is." Introduction: When AI Started Thinking In 2022, researchers at Google Brain published a paper titled "Chain-of-Thought Prompting Elicits Reasoning in Large Language Models". At the time, nobody quite anticipated it would mark the beginning of a shift that would reshape the entire AI field. The idea was simple: instead of...