Single Prompt
A single system prompt drives the entire conversation. Fast to build, best for simple, free-form conversations like FAQs or lead qualification.Conversational Flow
A graph of nodes and edges — each node has its own prompt, and transitions are explicit. Best for production use cases needing deterministic behavior, like IVR replacement or structured intake.Start with Single Prompt to validate the idea, then migrate to Conversational
Flow once you need deterministic branching.