Study Finds 88% of RLVR Data Trapped in Zero-Advantage Pit, Recursive Synthesis Offers Fix

A new arXiv paper, MagicBeanStalk, reveals that 88% of RLVR training data falls into a zero-advantage trap. The authors propose a recursive data synthesis approach that yields genuinely useful synthetic data, improving performance by 8.6 points.

2026-10-15 ~ 2026-10-15 · 2 related posts

• MagicBeanStalk: 88% of RLVR math corpus is a zero-advantage trap, fix via recursive synthesis — stanfordnlp · 2026-10-15

1 near-duplicate retellings: Lianhuiq