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Avatars are people Captions can put on camera. Browse them in the Avatar Library, then use one in an Avatar project or with Add avatar on an Edit.
Avatar Library with Saved, Custom, and Default filters and a Create avatar button

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Browse the library

Open Avatars in the sidebar. Filter with Saved, Custom, or Default. Each card shows how many looks that avatar has. Bookmark a look to keep it in Saved.

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Create an avatar

Select Create avatar. You get two paths.
Create avatar menu with Create an AI twin and Describe a new avatar

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Create an AI twin

Create an AI twin makes an avatar that looks like you. The card shows a short recording, about 12 seconds, with a record button. Record when you are ready. Captions uses that take to build the twin.

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Describe a new avatar

Describe a new avatar builds a custom avatar from a prompt.
Describe your avatar dialog with a prompt, aspect ratio, and Generate
  1. Describe appearance and background. Generate a random prompt fills the field if you want a starting point.
  2. Set the aspect ratio. The control in the dialog includes 16:9.
  3. Open History to revisit an earlier description.
  4. Select Generate.

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Generate a talking video

On Home, set the project type to Avatar (“Generate a talking video”). Write what the avatar should say, choose the avatar, and select Create my video. On an Edit, Add avatar attaches an avatar to footage you already imported.
Last modified on November 5, 2026