Solution Design & Architecture·Task 1.3·Bloom: analyse·Difficulty 3/5·10 min read·Updated 2026-07-14

The Five Deciding Factors in Pattern Selection (CCAR-P)

Select appropriate architectural patterns (workflow, agentic, augmented LLM)

SUBy Solomon UdohReviewed by Solomon UdohAI-assisted · human-reviewed
In short
Five factors decide between the augmented LLM, workflow, and agent patterns: predictability (how structured and repeatable the task is), error cost (how expensive a wrong output is), observability (how visible the work is while running), latency, and cost. More predictable tasks and higher error costs favour tighter control; less predictable tasks favour an agent, which typically takes more steps and costs more per request.

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