Definitions of AI Agents and Agentic Systems: “AI Agents” are programs where LLM outputs control the workflow. — Hugging Face Two types of Agentic Systems (defined by Anthropic): 1. “Workflows” are systems where LLMs and tools are orchestrated through predefined code paths 2. “Agents” are systems where LLMs dynamically direct their own processes and tool usage, maintaining control over how they accomplish tasks Source: AI Engineer Agentic Track: The Complete Agent and MCP Course, Ed Donner
