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Dynamic Adaptive Prompt Optimization (DAPO): A Smarter Approach to Prompt Engineering

Krish Singhal, Amrita Kaul

2026

Abstract

Language models are a fundamental pillar of NLP that drive various applications such as sentiment analysis, question-answering, and adaptive learning. However, their per formance is highly dependent on the input quality of the prompts. Classic prompt engineering, based on static prompts and hard rules is inflexible and struggles to respond in real time situations. To address this problem, we introduce the novel approach of Dynamic Adaptive Prompt Optimization (DAPO), which optimizes prompts dynamically through evolutionary search, selective gradient fine-tuning, and self-regulation mechanisms. DAPO is a recursive process that starts with an initial set of prompts, assesses their performance, searches for variations using evolutionary strategies, and optimizes the best alternatives possible. Our tests reveal that DAPO signifi cantly outperforms traditional methods. In sentiment analysis, it achieves precision$\mathbf{9 2 - 9 4 \%}$compared to$\mathbf{8 5 \%}$with fine-tuning. For the SQuAD data set, it achieves 93-95% precision compared to 88% with Bayesian optimization. In adaptive learning, it achieves 94 % precision outperforming evolutionary algorithms, achieving 90%. Demonstrating efficient, near-logarithmic scal ability, DAPO is best suited for real-time applications because of its dynamic adaptation to different tasks and optimization of computational resources. Thereby, it works as a great breakthrough in the art of prompt engineering.

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