Concept Questions, Part 1: A Four-Step Answer and the Family Tree of Agent Frameworks
Put three answers to the same question about ReAct and Plan-and-Execute side by side, one recited, one explaining the mechanism, one explaining the trade-off, and the gap is obvious at a glance. Today you practice a four-step answer: what is being tested, how to break it down, the conclusion, and the follow-up you expect. Then one axis ties ReAct, Plan-and-Execute, Reflexion, LATS, and explicit state graphs into a single family tree: how much feedback the model gets from the environment before each step. The interviewer agent learns to follow up: it asks about whichever point you missed, and once you cover them all it digs into why you did not do it the other way.
Put three answers to the same question about ReAct and Plan-and-Execute side by side, one recited, one explaining the mechanism, one explaining the trade-off, and the gap is obvious at a glance. Today you practice a four-step answer: what is being tested, how to break it down, the conclusion, and the follow-up you expect. Then one axis ties ReAct, Plan-and-Execute, Reflexion, LATS, and explicit state graphs into a single family tree: how much feedback the model gets from the environment before each step. The interviewer agent learns to follow up: it asks about whichever point you missed, and once you cover them all it digs into why you did not do it the other way.
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Interview questions
What is the difference between ReAct and Plan-and-Execute, and how do you choose?ReAct 和 Plan-and-Execute 有什么区别？你会怎么选？
Common in ChinaCommon overseasBasic#react#planning#tradeoff🔒 Unlock this chapter to see the answer keys.
Under what conditions is Reflexion actually useful?Reflexion 在什么前提下才有用？
Common in ChinaCommon overseasIntermediate#reflexion#feedback#evaluation🔒 Unlock this chapter to see the answer keys.
Why are tree-search methods like LATS expensive, and when are they worth it?LATS 这类树搜索方法为什么贵？什么时候值得用？
Common in ChinaCommon overseasDeep dive#tree-search#cost#planning🔒 Unlock this chapter to see the answer keys.
Why didn't your project use a popular agent framework?你的项目为什么没用某个流行的 Agent 框架？
Common in ChinaCommon overseasIntermediate#framework#tradeoff#technology-choice🔒 Unlock this chapter to see the answer keys.