ResearchResearch paperReasoning & Planning · Large Language Models1 source · Oct 11, 2026

Co-DSL: Human-LLM Co-design of Reusable Spatial Concepts for Layout Generation

We present Co-DSL, a framework in which users and LLMs co-design reusable spatial concepts for layout generation.

Key points

  • To add a concept, a user provides a description, which the LLM converts into an initial implementation.
  • In the second stage, given a library, an LLM can author a layout program that meets a new layout request from a user.
  • Executing a layout program instantiates a concept-graph, a declarative composition of library concepts.
  • We further find that Co-DSL lets LLMs author generative layout programs that expose high-level parametric controls users can manipulate to explore a distribution of related layouts without re-prompting.

Sources (1)

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