Shipt and Instacart launched AI cart builders the same day. Only one said what it does to basket size, and neither mentions paid placement.

Instacart has launched a new white-label tool to make it easier for regional grocers to launch their own AI assistants.

Users can ask the assistant to do things like "Create a cart for my Saturday tailgate for 25 people and include some brunch items," or "Build a cart for easy school lunches and…