Author

Siyu Gong

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Book Open access Aug 2026

Think Less, Act Warranted: Efficient Tool-Integrated Reasoning via Dual-Efficiency Regularization

LightTIR, a dual-penalty reward framework, is proposed to achieve efficient TIR and can reduce redundancy and trajectory expansion while maintaining answer correctness, achieving more efficient RL-based TIR.

Yichen Xiao, Siyu Gong, Li-Nan Yue · Proceedings of the 32nd ACM... · 0 citations

Book Open access Aug 2026

Think Less, Act Warranted: Efficient Tool-Integrated Reasoning via Dual-Efficiency Regularization

Recent methods using Reinforcement Learning (RL) have improved Tool-Integrated Reasoning (TIR) by training large language models to learn end-to-end policies for multi-step tool usage, enabling them to solve complex tasks more effectively. Despite these advances, existing methods often suffer from overthinking at both...

Yichen Xiao, Siyu Gong, Linan Yue · Proceedings of the 32nd ACM... · 0 citations