cs.CL 2606.04660

LifeSide: Benchmarking Agents as Lifelong Digital Companions

LifeSide uses multi-session Memory-Emotion-Environment loops to evaluate lifelong digital companions' long-term memory, understanding, privacy, and emotional support, based on 2000 personas and 111K tasks.

Yuqian Wu, Zhijie Deng, Wei Chen et al.

2026-06-03 13
cs.CL 2605.31490

Are Full Rollouts Necessary for On-Policy Distillation?

Proposed horizon-control strategies—Progressive OPD and Truncated OPD—significantly improve long-horizon on-policy distillation efficiency, achieving 3× faster training and comparable performance with only 10% rollout length.

Yaocheng Zhang, Jiajun Chai, Yuqian Fu et al.

2026-05-30 46