thinQmaster Virtual testing partner Adaptive practice exams that find your weak spots and drill them. Every answer explained. From $69
Enroll

thinQmaster

Find your exam

Five questions free, before you decide.

Step 1 · choose a vendor

In one of our camps? Your practice exams come with the tuition — they are on your study page already.

AI & Machine Learning · Intermediate

ReAct

Reason + Act: a prompting pattern where a model interleaves reasoning steps with tool actions and observations.

Definition

ReAct agents think about what to do, take an action, observe the result and repeat, combining chain-of-thought with tool use. It underlies most modern agent frameworks.

Exam tip

ReAct alternates Thought, Action and Observation steps until the task is complete.

Related terms