Large Language Models as Planning Domain Generators

The creation of planning models, and in particular domain models, is among the last bastions of tasks that require extensive manual labor in AI planning; it is desirable to simplify this process for the sake of making planning more accessible. To this end, we investigate whether large language models (LLMs) can be used to generate planning domain models from textual descriptions. We propose a novel task for this as well as a means of automated evaluation for generated domains by comparing the sets of plans for domain instances. Finally, we perform an empirical analysis of 7 large language models, including coding and chat models across 9 different planning domains. Our results show that LLMs, particularly larger ones, exhibit some level of proficiency in generating correct planning domains from natural language descriptions.