You May Not Need an Agent: Decision Workflows Did 20 Docs in 20s for 2 Cents

generativist · x · 2026-10-31

Miguel Rios argues "you may not need an agent after all": after rewriting five agents into decision workflows using Jev (@typesafeai) and @p0's Decisions API, a 20-document run took 20 seconds, cost 2 cents, and got 19 right. Takeaways: use a workflow when steps are known; decision models are fast, cheap, and easy to test; static rules belong in code; with Agentrun you get the best of both worlds—the agent writes the workflow and handles cases it can't decide.

generativist shares similar experiments this week: compared to plain agents, decision models make the process far more legible (natural UI/UX) and avoid learned agentic helplessness.

Related event: Decision Workflows Beat Agents: 20 Tasks in 20 Seconds for 2 Cents(2 posts)→

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