Thinking Out Loud — Why LLMs Might *Need* Chain‑of‑Thought
Opening — Why this matters now Chain‑of‑thought (CoT) reasoning has quietly become one of the most consequential features of modern large language models. When models “think step‑by‑step” in natural language, they often solve harder problems, behave more reliably, and — perhaps most importantly — expose their reasoning to human inspection. But a deeper question lurks beneath this phenomenon: is chain‑of‑thought merely helpful, or fundamentally necessary for certain kinds of reasoning? ...