Comparing agent planning methods: ReAct, Plan-and-Execute, Reflexion

On October 2, 2026, at 23:54, Juejin published a long-form developer article titled 'Agent planning methods compared: ReAct, Plan-and-Execute, and Reflexion.' The article compares four Agent planning approaches: ReAct, Plan-and-Execute, Reflexion, and Tree of Thoughts. Its stated focus is how planning and the execution loop work together. The article argues that this coordination directly determines an Agent's capability ceiling, and it walks through each method's mechanics and applicable scenarios.

In the preface, the author writes that an Agent's 'way of thinking' determines its capability ceiling. It refers back to a previous article that broke an Agent into six components: perception, LLM/planning, memory, tools, actions, and the execution loop. Among these, the article says, the way planning and the execution loop coordinate directly determines... The available excerpt ends there.

The supplied material does not present a product launch, model release, benchmark result, or company announcement. It contains one dated item: the Juejin post. The article is described as a comparison of planning methods rather than a report on a specific system. No version numbers, performance figures, or experimental data are included in the available excerpt. As of this report, no follow-up updates are available. The only facts that can be verified from the material are the publication time, the title, the four planning methods covered, the six Agent components mentioned in the preface, and the article's stated view that planning and execution-loop coordination determines an Agent's capability ceiling.