Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for a logistics planner are disclosed. In one aspect, a method includes the actions of receiving data indicating orders for materials to be delivered to first locations and data indicating amounts of the materials stored at second locations. The actions further include providing the data indicating the orders for the materials to be delivered to the first locations and the data indicating the amounts of the materials stored at the second locations as inputs to models. The actions further include generating a graph that includes first nodes and second nodes. The actions further include generating a sub-graph. The actions further include determining an amount of each material to be delivered. The actions further include determining a route to travel and an amount of each material to transport.