Author

Yinjie Wang

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Preprint Aug 2026

PAST-Bench: Benchmarking the Foundations of Recursive Self-Improvement in Personal Agents

The PAST-Bench benchmark is introduced, a benchmark designed to isolate how persistent agents can progress from retaining experience to systematically improving through it, and Hermes+ is developed, which raises the average gain from retained experience and provides clearer pathway evidence.

Shu-Han Xue, Zixin Ding, Yi-Jun Shen et al. · 2 citations