Artbreeder offers an Outpainter tool that uses AI to extend any image beyond its original edges, filling in new content that visually matches the existing image. The tool is available to all users on the platform.

The Outpainter takes an existing Artbreeder image as input and generates additional image content around its borders as output, seamlessly extending the scene or composition. The feature is listed as a distinct tool on Artbreeder's official tools page. The AI model used for outpainting is not specified by the company beyond it being part of Artbreeder's generative AI infrastructure.