Supplementary Material for LayoutGPT: Compositional Visual Planning and Generation with Large Language Models Anonymous Author(s) Affiliation Address email A Implementation Details 1

Table 1: The prepending instructions provided to GPT -3.5/4 during our LayoutGPT's 2D and 3D T ask Instruction for GPT -3.5/4 2D Layout Planning Instruction: Given a sentence prompt that will be used to generate an image, plan the layout of the image. Formally, each line should be like "object {width:?px; height:?px; left:?px; top:?px; }". Formally, each line should follow the template: FURNITURE {length:?px: