What Should We Remove? Evaluating the Reliability and Costs of RLVR Data Decontamination

arXiv:2610.21229 · cs.CL, cs.LG · Submitted 2026-10-15 · Read on arXiv

cs.CL, cs.LG

Submitted: 2026-10-15

Updated: 2026-10-15

Comments: 13 pages, 4 figures, 4 tables,code and data:https://github.com/ethxin0011/rlvr_data_contamination

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Benchmark — 4× in this paper · explained in 2 episodes
• Calibration — 2× in this paper · explained in 7 episodes
• Reinforcement Learning — 1× in this paper · explained in 4 episodes
• Verifiable Rewards — 1× in this paper · explained in 2 episodes

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