DEFINITION
ReAct
Reasoning + Acting (ReAct)
Definition
A prompting technique where the LLM alternates between Reasoning ('I need to find the current ETH price') and Acting (calling a tool), creating a loop of thought + action + observation. Most modern agent frameworks implement ReAct under the hood.
Examples in the Wild
- Example 1:Thought: I need the current price → Action: search_web('ETH price') → Observation: $2,100 → Thought: Price is above entry...