PLCWorld: Benchmarking LLM-Generated PLC Programs in Closed-Loop Plant Simulation

TL;DR

PLCWorld is a benchmarking environment for evaluating large language model (LLM)-generated PLC programs in industrial settings. It reveals that while GPT-5.5 achieves 82.70% success on easy tasks, it drops to 25.10% on harder ones.

Key Takeaways

• Use PLCWorld to benchmark LLM-generated PLC programs effectively.
• Focus on task complexity when evaluating LLM performance.
• Consider safety violations as a critical evaluation metric.
• Access the publicly available code and tasks for your own testing.