MagicBeanStalk: Escaping the RLVR Zero Advantage Trap with Recursive Data Synthesis
Data-centric scaling of RLVR has focused on collecting or generating verifiable training problems. However, corpus size alone does not determine whether the dataset provides a useful learning signal for a target policy. To guide the synthesis of effective RLVR data, we experimentally characterize dataset effectiveness...
Ximing Lu, Aviral Kumar, Jan Kautz et al.
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