AI Step-by-Step

Apr 24, 2026 · Artificial Intelligence

Revisiting Core Agent Patterns: ReAct, Plan‑and‑Solve, and Tree of Thoughts

The article analyzes why simple ReAct loops fail on long‑chain business tasks and explains how Plan‑and‑Solve, Tree of Thoughts, and Graph of Thoughts add planning, search, and state‑machine layers to make complex agents reliable, auditable, and cost‑controlled.