@article{agoncompetitivecrossmodelrlwithimplicitr, title = {Agon: Competitive Cross-Model RL with Implicit Rival Grading of Reasoning}, author = {Vladislav Beliaev}, year = {2026}, eprint = {2607.07690}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2607.07690}, }