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Illustration visualizing the PromptAgent system: A digital interface split into three sections. The left section represents 'Input Prompts' with sample language model questions. The middle section, titled 'Strategic Planning', shows gears, algorithms, and decision trees working together. The right section, labeled 'Expert-Level Results', displays advanced AI and IT solutions, graphs indicating performance boosts, and satisfied users. The backdrop features a neural network pattern, emphasizing the AI-driven optimization.

PromptAgent: Strategic Planning with Language Models Enables Expert-level Prompt Optimization

WorkDifferentWithAI.com Academic Paper Alert!

Written by Xinyuan Wang, Chenxi Li, Zhen Wang, Fan Bai, Haotian Luo, Jiayou Zhang, Nebojsa Jojic, Eric P. Xing, Zhiting Hu

Category: “AI for IT”

Article Section: Practical AI Applications; Enterprise AI for Sales Forecasting

Publication Date: 2023-10-25

SEO Description: “PromptAgent optimizes language model prompts using strategic planning for expert-level results in IT and AI tasks.”

AI-Generated Paper Summary

GPT-4 API

The paper “PromptAgent: Strategic Planning with Language Models Enables Expert-level Prompt Optimization” explains the creation of an optimization method called PromptAgent, which can deliver expert-level prompt creation typically requiring intensive engineering by specialists who possess deep knowledge of language models and task details. Present prompt optimization methods often struggle to incorporate intricate domain knowledge and efficiently navigate through possible expert-level prompts. The authors propose using PromptAgent as a solution to this issue, operating on the understanding of prompt optimization as a strategic planning problem. It uses techniques rooted in Monte Carlo tree search to navigate the prompt space efficiently. Inspired by human trial-and-error exploration, PromptAgent learns from model errors to offer precise, expert-level direction. Its application has displayed noteworthy performance across various practical domains while showcasing its capacity for fast, adaptable, and skilled prompt crafting.

Claude.ai Full PDF Analysis

Here is a summary and analysis of the key points in this academic paper:

Novelty:

  • Proposes a new method called “PromptAgent” for optimizing prompts to get the best performance from large language models (LLMs) like GPT-3/4.
  • Formulates prompt optimization as a strategic planning problem using Monte Carlo Tree Search (MCTS). This allows efficient and structured exploration of the complex space of possible prompts.
  • Leverages the self-reflection capabilities of LLMs to generate natural language feedback on model errors. This error feedback is used to iteratively refine prompts in a human-like trial-and-error manner.
  • Significantly outperforms previous prompt optimization methods like chain-of-thought prompting and other iterative search algorithms. Achieves performance on par with human expert-written prompts.

Key Innovations:

  • Strategic planning with MCTS provides a principled way to balance exploration and exploitation when searching the expansive prompt space.
  • Error feedback based on LLM self-reflection induces domain knowledge and expert-level insights to guide prompt optimization.
  • Reflecting on errors and incrementally improving prompts mimics how human experts craft high-quality prompts.

Commercial Applications:

  • Could be productized as a prompt optimization tool or API to help users create optimized prompts for their own tasks and domains.
  • Useful for companies using LLMs for commercial applications to boost performance and reduce need for expert prompt engineering.
  • Prompt optimization as a service – clients provide initial prompts and data, optimized prompts are delivered.
  • Could be licensed to LLM providers to enhance their systems’ prompt programming interfaces.

Overall, this paper introduces a novel technique for automated expert-level prompt optimization that could have commercial value as a productivity tool for prompt programming of large language models. The proposed methods achieve strong empirical results and demonstrate capabilities beyond previous prompt search algorithms.

Keywords

PromptAgent, strategic planning, language models, prompt optimization, expert-level insights

Author’s Abstract

Highly effective, task-specific prompts are often heavily engineered by experts to integrate detailed instructions and domain insights based on a deep understanding of both instincts of large language models (LLMs) and the intricacies of the target task. However, automating the generation of such expert-level prompts remains elusive. Existing prompt optimization methods tend to overlook the depth of domain knowledge and struggle to efficiently explore the vast space of expert-level prompts. Addressing this, we present PromptAgent, an optimization method that autonomously crafts prompts equivalent in quality to those handcrafted by experts. At its core, PromptAgent views prompt optimization as a strategic planning problem and employs a principled planning algorithm, rooted in Monte Carlo tree search, to strategically navigate the expert-level prompt space. Inspired by human-like trial-and-error exploration, PromptAgent induces precise expert-level insights and in-depth instructions by reflecting on model errors and generating constructive error feedback. Such a novel framework allows the agent to iteratively examine intermediate prompts (states), refine them based on error feedbacks (actions), simulate future rewards, and search for high-reward paths leading to expert prompts. We apply PromptAgent to 12 tasks spanning three practical domains: BIG-Bench Hard (BBH), as well as domain-specific and general NLP tasks, showing it significantly outperforms strong Chain-of-Thought and recent prompt optimization baselines. Extensive analyses emphasize its capability to craft expert-level, detailed, and domain-insightful prompts with great efficiency and generalizability.

Read the full paper here

Last updated on October 30th, 2023.