Prompt EngineeringShiyan Liu et al.
Liu et al. publish Reflection in the Dark
Published Reflection in the Dark — demonstrated conditions under which reflective prompt optimization worsens accuracy from 23.81% to 13.50%
Why it matters
The first to isolate a failure mode of GEPA-style automatic prompt optimization
Source — Primary sources first; secondary reports are labelled “Press”
Paperarxiv.orghttps://arxiv.org/abs/2603.18388Added in Week 35, 2026 · See that week