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Thought Manipulation: External Thought Can Be Efficient for Large Reasoning Models

Yule Liu, Jingyi Zheng, Zhen Sun, Zifan Peng, Wenhan Dong, Zeyang Sha, Shiwen Cui, Weiqiang Wang, Xinlei He

2025-04-21

Thought Manipulation: External Thought Can Be Efficient for Large
  Reasoning Models

Summary

This paper talks about ThoughtMani, a new way to make big AI reasoning models think more efficiently by using helpful outside thought processes, so they don’t waste time on unnecessary steps.

What's the problem?

The problem is that large reasoning models often go through too many steps when solving problems, which can make them slower and sometimes even lead to mistakes or unsafe answers. This extra thinking isn’t always needed and can be a waste of resources.

What's the solution?

The researchers introduced ThoughtMani, which lets the model use external chains of thought—basically, ideas or reasoning steps from outside itself—to guide its own thinking. This helps the model skip over pointless steps, making it faster and safer while still keeping its ability to solve problems just as well as before.

Why it matters?

This matters because it makes AI models more efficient and reliable, which is important for real-world applications where speed and safety are crucial, like in medical advice, customer service, or any situation where quick and accurate answers are needed.

Abstract

ThoughtMani reduces unnecessary reasoning steps in large reasoning models by incorporating external chain-of-thoughts, improving efficiency and safety without degrading performance.