Most So-Called AI Agents Are Just Pipelines With a Fancy Label, Dev Argues

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A software developer writing on DEV Community argues that the majority of systems marketed as 'AI agents' in 2025–2026 are actually fixed, linear pipelines rather than truly autonomous agents. The author draws a clear distinction: a genuine agent lets the model choose its own control flow at runtime, while a pipeline has every step predetermined by the developer. After rebuilding his own praised 'agent' as a simple linear pipeline, the developer found it was faster, cheaper, and easier to debug — with no loss in real-world performance. He proposes a practical test: if you can sketch the system's flowchart before writing any code, it is a pipeline, not an agent. The piece warns that mislabeling pipelines as agents introduces unnecessary costs, nondeterminism, and debugging complexity without delivering the benefits true autonomy would require.

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