AI search systems no longer just index web pages — they interpret reputations. This article introduces Reputation Engine Optimization (REO), a framework for understanding and influencing how AI platforms perceive brands. By tracking four key signals — tone, source credibility, message alignment, and brand associations — marketers can uncover how models shape public perception and guide it toward trust and authority. In the new landscape, brand visibility isn’t enough; influence inside AI systems determines who wins attention and credibility.
