API Agents vs. GUI Agents: Divergence and Convergence

• URL: http://arxiv.org/abs/2503.11069v1
• Date: Fri, 14 Mar 2025 04:26:21 GMT
• Title: API Agents vs. GUI Agents: Divergence and Convergence
• Authors: Chaoyun Zhang, Shilin He, Liqun Li, Si Qin, Yu Kang, Qingwei Lin, Dongmei Zhang,
• Abstract summary: API- and GUI-based large language models (LLMs) interact with graphical user interfaces in a human-like manner.<n>This paper systematically analyzes their divergence and potential convergence.<n>We indicate that continuing innovations in LLM-based automation are poised to blur the lines between API- and GUI-driven agents.
• Score: 35.28490346033735
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Large language models (LLMs) have evolved beyond simple text generation to power software agents that directly translate natural language commands into tangible actions. While API-based LLM agents initially rose to prominence for their robust automation capabilities and seamless integration with programmatic endpoints, recent progress in multimodal LLM research has enabled GUI-based LLM agents that interact with graphical user interfaces in a human-like manner. Although these two paradigms share the goal of enabling LLM-driven task automation, they diverge significantly in architectural complexity, development workflows, and user interaction models. This paper presents the first comprehensive comparative study of API-based and GUI-based LLM agents, systematically analyzing their divergence and potential convergence. We examine key dimensions and highlight scenarios in which hybrid approaches can harness their complementary strengths. By proposing clear decision criteria and illustrating practical use cases, we aim to guide practitioners and researchers in selecting, combining, or transitioning between these paradigms. Ultimately, we indicate that continuing innovations in LLM-based automation are poised to blur the lines between API- and GUI-driven agents, paving the way for more flexible, adaptive solutions in a wide range of real-world applications.

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