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What Are AI Agents, Really?

by Dr. Marlene Wolfgruber, AI Product Marketing Lead
By combining memory, AI models, and systems integration, AI agents push automation further than ever before, showcasing how far we’ve come—and how much further we can go.

This article was first published in the Intelligent Document Processing Community on February 27, 2025.

AI agents are not just tools. They represent a fundamental shift in how we approach automation, communication, and problem-solving. For enterprises trying to meet rising customer expectations, optimize workflows, or scale intelligent systems, AI agents are emerging as a core solution, poised to transform business processes across industries.

But what exactly are AI agents? How do they operate, and what possibilities do they unlock for enterprises? Let’s explore their role in the ever-changing world of automation and how they are transforming the future of business.

The evolution of automation

The story of automation is one of constant innovation, evolving from simple rule-based systems to intelligent, autonomous entities capable of reasoning and acting independently. This progression has been driven by advancements in technology and the growing need for more dynamic, efficient processes. Here’s a quick breakdown of how automation has evolved:

  • 2000s – Robotic process automation (RPA): RPA laid the groundwork by automating repetitive, pre-defined tasks. It improved efficiency but lacked flexibility.
  • 2015 – Intelligent automation: This era merged AI with RPA, enabling automation to tackle more complex tasks like data analysis and pattern recognition. However, significant human oversight was still required.
  • 2025 – Agentic automation: We’re now entering a new phase with the rise of AI agents—autonomous systems that can reason, plan, and act dynamically. These agents integrate advanced AI, large language models (LLMs), and generative AI to not only execute tasks but also solve problems and make decisions in real time.

This evolution builds upon itself, with each stage advancing the capabilities of automation. Throughout this journey, tools like intelligent document processing (IDP) have played a critical role, seamlessly integrating into workflows to enhance efficiency. But as processes grow more complex, Process Intelligence (PI) has become essential. PI provides the insights needed to optimize and guide automation, forming the backbone of effective AI implementations. Simply put, there is no AI without PI.

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