Alibaba and ZJU Propose TTPO for Label-Free Test-Time Training

burkov · x · 2026-08-29

A paper from Alibaba Group and Zhejiang University proposes Test-Time Policy Optimization (TTPO), an asymmetric framework that distills agreeing rollouts while penalizing disagreeing rollouts under majority-vote pseudo-labels. This approach achieves label-free test-time training that matches ground-truth supervised distillation performance across competition-level mathematical benchmarks.

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