PivotOPD: Learning to Recover from Pivotal Mistakes in Multi-Turn Agents
PivotOPD, an on-policy distillation framework that jointly trains the student to prevent pivotal mistakes and to recover from the states they create, achieves the strongest average performance for both Qwen3-1.7B and Qwen3-8B students, and transfers to another model family on the software engineering domain.
Ying-Hui He, Ya-Pei Chang, Khushi Bhardwaj et al.
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