GPTEval3D is an open-source tool for evaluating 3D generation models. Based on GPT-4V, it enables automatic evaluation of text-to-3D generation models. It can calculate the ELO score of the generated models and compare them with existing models for ranking. This user-friendly tool supports custom evaluation datasets, allowing users to fully leverage the evaluation capabilities of GPT-4V. It serves as a powerful tool for researching 3D generation tasks.