🤖 AI Summary
Existing LLM agent evaluation heavily relies on binary task-completion metrics, overlooking model uncertainty and failing to characterize critical capabilities such as tool invocation, memory management, multi-agent collaboration, and environment interaction.
Method: We propose the first end-to-end evaluation framework tailored for multi-agent systems, establishing a “LLM capability–memory–tool–environment” four-pillar paradigm. It systematically models and quantifies runtime non-deterministic behavioral deviations via trajectory analysis and multidimensional observability metrics.
Contribution/Results: Empirically validated in an Autonomous CloudOps scenario, our framework uncovers behavioral biases missed by conventional methods, robustly captures and represents agent uncertainty, and establishes a novel benchmark for trustworthy AI agent evaluation.
📝 Abstract
Recent advances in agentic AI have shifted the focus from standalone Large Language Models (LLMs) to integrated systems that combine LLMs with tools, memory, and other agents to perform complex tasks. These multi-agent architectures enable coordinated reasoning, planning, and execution across diverse domains, allowing agents to collaboratively automate complex workflows. Despite these advances, evaluation and assessment of LLM agents and the multi-agent systems they constitute remain a fundamental challenge. Although various approaches have been proposed in the software engineering literature for evaluating conventional software components, existing methods for AI-based systems often overlook the non-deterministic nature of models. This non-determinism introduces behavioral uncertainty during execution, yet existing evaluations rely on binary task completion metrics that fail to capture it. Evaluating agentic systems therefore requires examining additional dimensions, including the agent ability to invoke tools, ingest and retrieve memory, collaborate with other agents, and interact effectively with its environment. We propose an end-to-end Agent Assessment Framework with four evaluation pillars encompassing LLMs, Memory, Tools, and Environment. We validate the framework on a representative Autonomous CloudOps use case, where experiments reveal behavioral deviations overlooked by conventional metrics, demonstrating its effectiveness in capturing runtime uncertainties.