TY - RPRT TI - GEPA: Reflective Prompt Evolution Can Outperform Reinforcement Learning AU - Agrawal, Lakshya A. [University of California, Berkeley, CA (United States)] AU - Tan, Shangyin [University of California, Berkeley, CA (United States)] AU - Soylu, Dilara [Stanford Univ., CA (United States)] AU - Ziems, Noah [University of Notre Dame, IN (United States)] AU - Khare, Rishi [University of California, Berkeley, CA (United States)] AU - Opsahl-Ong, Krista [Databricks, San Francisco, CA (United States)] AU - Singhvi, Arnav [Stanford Univ., CA (United States); Databricks, San Francisco, CA (United States)] AU - Shandilya, Herumb [Stanford Univ., CA (United States)] AU - Ryan, Michael J. [Stanford Univ., CA (United States)] AU - Jiang, Meng [University of Notre Dame, IN (United States)] AU - Potts, Christopher [Stanford Univ., CA (United States)] AU - Sen, Koushik [University of California, Berkeley, CA (United States)] AU - Dimakis, Alexandros G. [University of California, Berkeley, CA (United States); Bespoke Labs, Santa Clara, CA (United States)] AU - Stoica, Ion [University of California, Berkeley, CA (United States)] AU - Klein, Dan [University of California, Berkeley, CA (United States)] AU - Zaharia, Matei [Databricks, San Francisco, CA (United States)] AU - Khattab, Omar [Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)] PY - 2025 DO - 10.48550/arxiv.2507.19457 UR - https://www.osti.gov/biblio/3025768 ID - 3025768 ER -