Multi-Turn Agent RL Gains Hinge on Interaction Budgets, CASIA Study Finds

CASIA · hf · 2026-11-05

A CASIA/Tsinghua paper evaluates multi-turn agentic RL via Pass@(K,T) and finds trajectory-level gains depend heavily on interaction budgets, collapsing as budgets tighten. Agentic RL doesn't uniformly improve single-step decisions—its strength lies in error recovery and long-horizon resilience. The authors propose BudgetMix RL, which varies interaction budgets during training for robust performance across deployment settings.

Original post →

More from coding & agent

coding & agent channel →