You probably want next gen of UX designers who are probably looking for work and if your product is actually good/revolutionary you can set some kind of new paradigm as to how to do UX in this new way. You know, people who are hyped about AI and new tools.
- Keyword research. What are people looking for.
- Content marketing i.e. blog posts, tutorials
- Google Ads
- A free widget, something to attract links.
- Cross posting interesting content to subreddits i.e. design
- Youtube - creating content or sponsoring content.
- Outreach - depends on your market but maybe linkedin.
- Buying high traffic websites and integrating the content into your own site.
Go communicate wherever they listen.