[R] There is no free lunch in RLVR: under strategy specialization, every pass@1 gain provably costs some prompt, and the pass@k crossover has a tight bound [R]
Paper: https://arxiv.org/abs/2610.39295 Code + verification package (every number in the paper is checked by a script): https://github.com/yliusci/no-free-lunch-rlvr Browser diagnostic: https://huggingface.co/spaces/yliusci/passk-price I kept running into the same pattern in RLVR papers: the RL mod…
Read the full story at r/MachineLearning ↗