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Walk Before You Run! Concise LLM Reasoning via Reinforcement Learning

Mingyang Song, Mao Zheng

2025-05-28

Walk Before You Run! Concise LLM Reasoning via Reinforcement Learning

Summary

This paper talks about a new method called ConciseR that uses reinforcement learning to help AI models explain their reasoning in a way that is both shorter and more efficient.

What's the problem?

The problem is that large language models often give long-winded or overly complicated answers when asked to explain their thinking, which can make it hard for people to understand or use their explanations.

What's the solution?

To fix this, the researchers created a system that trains the AI using reinforcement learning, which is a way for the AI to learn from trial and error. Their approach uses two stages to help the AI get better at giving clear and concise explanations without losing important details.

Why it matters?

This matters because if AI can explain its reasoning more clearly and briefly, it will be easier for students, teachers, and anyone else to understand and trust what the AI is saying.

Abstract

A reinforcement learning framework, ConciseR, is proposed to enhance the conciseness and efficiency of reasoning in LLMs through a two-stage optimization process.