OpenAI's character cameos will let you put pets and original personas in Sora videos

OpenAI has rolled out the capability to create character cameos of your pets, doodles, original personas or even objects in the Sora app, which you can put in your videos. You can start the process by going to your profile page in the Sora app, tapping on the "Create cameo" button and then uploading a video of the character (or pet) you want the model to generate. The company says just a few seconds of footage are enough, and you can even use old Sora-generated videos as reference. 

You can then give your character a display name and describe how you want the model to animate it. In the example OpenAI uploaded, for instance, the description for a wicked green witch character reads: "She glides with a mysterious, whimsical grace, speaks in rhymes when casting spells, and her pointed hat always tilts as if listening to secrets on the wind." You can choose p...