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News/VeriGate: Verifier-Gated Step-Level Supervision for GRPO
arxiv
PublishedJune 1, 2026 at 4:00 AM

VeriGate: Verifier-Gated Step-Level Supervision for GRPO

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arXiv:2605.30451v1 Announce Type: new Abstract: Group Relative Policy Optimization (GRPO) is an effective recipe for training reasoning models with verifier-based outcome rewards, but its supervision is sparse: when all sampled trajectories for a prompt receive the same verifier reward, the group-re

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