Reproduce “C3oT: Generating Shorter Chain-of-Thought without Compromising Effectiveness” on OpenResearch

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About this paper

Yu Kang, Xianghui Sun, Liangyu Chen, Wei Zou

This paper introduces a method to generate shorter Chain-of-Thought (CoT) reasoning without losing effectiveness

Key insights

  • Using distinct initial prompt tokens to condition longer vs shorter CoT helps LLMs learn their relationships
  • Mixed training with CoT at various compression levels leads to mutually beneficial effects
  • Models can automatically select appropriate CoT length based on question difficulty
  • Compression effectiveness depends on having sufficient key information preserved

Summary by alphaXiv.

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