Workflow vs Agent vs Multi-Agent vs Agentic System: a 4-part framework

MaryamMiradi · x · 2026-10-01

Using a production 500-error scenario, the author dissects four commonly conflated architecture levels: workflows (predefined steps, LLM embedded but not in control), agents (autonomous decision-making with tools and iteration), multi-agent (collaboration among specialized agents), and agentic systems (the overall architecture). The framework: Flow → Decision → Collaboration → System, distinguished by who holds control and whether autonomy and multi-role coordination are needed.

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