Teach Your LLM to Remember: How “Behavior Shortcuts” Can Cut 46% of Reasoning Tokens

18 hours ago 高效码农

A plain-English walk-through of the September 2025 paper “Metacognitive Reuse: Turning Recurring LLM Reasoning Into Concise Behaviors”—no hype, no formulas, just facts you can use today. 1. The 3-Minute Preview Question One-sentence answer What problem is solved? Large models re-derive the same math tricks in every prompt, burning tokens and time. Do I need a PhD to follow? High-school algebra is enough; zero equations in this post. What can I actually do after reading? Build a self-growing “behavior handbook” and drop inference costs up to 46% without losing accuracy. 2. Why “Longer Chain-of-Thought” Has Hit a Wall Token inflation AIME-24 …