TextReg introduces a regularized text-space optimization objective that mitigates prompt distributional overfitting, improving robustness across tasks, models, and evaluation distributions.
May 30, 2026
Sharpness-aware prompt evolution optimizes prompts for both performance and robustness by penalizing sharp regions in the prompt loss landscape, yielding prompts that transfer better across tasks and LLM families.
Apr 23, 2026