Apple's Genmoji feature, part of its Apple Intelligence software, allows users to create custom emojis with written prompts. The feature uses AI to generate original emojis based on user input, such as "A sloth wearing a suit and tie." Genmojis can be used in Messages, Stickers, Tapbacks, and even reacted to like Apple's message effects. With iOS 18.2 public beta available, users can try the feature ahead of its expected official launch in early December.

Source: https://techcrunch.com/2024/11/12/how-to-create-a-custom-emoji-with-genmoji-apple-intelligence-feature/