Plan-and-Execute vs ReAct (ANSWERED)
Medium AI Agents interview question on plan-and-execute vs react — architecture, trade-offs, eval, and production patterns.
TL;DR — Quick Answer
Plan-and-Execute drafts a full plan then executes with less per-step replanning — good for structured workflows. ReAct replans every step from fresh observations — better for exploratory tasks with high uncertainty.
The Interview Question
Explain plan-and-execute vs react. How would you apply this when building production AI agents? Cover architecture, safety, and evaluation.
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