Loops vs. graphs for agents: when to let the model choose the path
alex_verem · x · 2026-07-27
A walkthrough on agent orchestration argues that loops fit open-ended work, while graphs work better once the task is already mapped.
- The post uses a support-ticket example to contrast two patterns:
- Loop: the agent drafts, checks policy, fixes, and repeats until resolved.
- Graph: the human defines stages like read, triage, draft, QA, and send, with checkpoints at each node.
- The accompanying diagram frames this as a choice between:
- letting the agent decide every step, or
- drawing the nodes first and having the agent fill them in.
- The takeaway: use loops for work you still need to discover; use graphs for recurring workflows such as support pipelines.
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