Chen, H., Qi, X., Zhao, J. X., Feng, Z., Liu, S., Xu, K., Koh, P. W., & Hooi, B. (2026). FrugalEvo: Towards Cost-Aware LLM-Guided Program Evolution. https://omanscience.com/en/articles/frugalevo-towards-cost-aware-llm-guided-program-evolution