@article{epictowardslosslessspeedupforreasoning, title = {EPiC: Towards Lossless Speedup for Reasoning Training through Edge-Preserving CoT Condensation}, author = {Jinghan Jia and Hadi Reisizadeh and Chongyu Fan and Nathalie Baracaldo and Mingyi Hong and Sijia Liu}, year = {2025}, eprint = {2506.04205}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2506.04205v1}, }