Machine Heart

Oct 30, 2026 · Artificial Intelligence

ActionOPD: Distilling Agent Decisions, Not Tokens — Tsinghua's Action-Level Online Distillation

Tsinghua researchers propose ActionOPD, an action-level online distillation method that aligns student agents with teacher decisions at the semantic action level rather than token level, enabling black-box cross-family distillation and self-distillation with improved decision-making on benchmarks like τ²-bench.