Author

Yifei Li

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Preprint Aug 2026

WDL-OPD: Weak-Driven On-Policy Distillation via Mixture-Constrained Co-Training

WDL-OPD is introduced, a mixture-constrained co-training method with two trainable policies that shows that freezing the auxiliary recovers an anchor-plus-contrast proxy target closely related to OPD$^2$ and W2S-OPD, whereas joint training creates branch-level degrees of freedom that a static delta cannot express.

Zehao Chen, Gong-Xun Li, Tianxiang Ai et al. · 0 citations