@article{prolongedreasoningisnotallyouneed, title = {Prolonged Reasoning Is Not All You Need: Certainty-Based Adaptive Routing for Efficient LLM/MLLM Reasoning}, author = {Jinghui Lu and Haiyang Yu and Siliang Xu and Shiwei Ran and Guozhi Tang and Siqi Wang and Bin Shan and Teng Fu and Hao Feng and Jingqun Tang and Han Wang and Can Huang}, year = {2025}, eprint = {2505.15154}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2505.15154v1}, }