Link to an article about what it is: https://www.scrile.com/blog/what-is-an-ai-influencer

AI influencers are reshaping social media with digital faces that look real, act consistent, and attract millions of followers. This article explains what AI influencers are, how they’re created, why brands invest in them, and how you can build your own digital persona with Scrile AI.

An excerpt from that article.