AI search
Not an easy feature to fully define as its open to interpretation for what it actually means. There are a few things that can fall under this feature. It could be features such as including previous search information to influence future search results. Using phrases rather than keywords to search.
Sites with this feature
StockPhotos.com
Provides a collection of stock photos, vectors, and illustrations for personal and commercial use.
Shutterstock
A leading stock photo agency that offers millions of high-quality images, videos, and illustrations for commercial use.
Envato Elements
A subscription-based platform that provides unlimited access to a wide range of digital assets, including photos, graphics, templates, and more.