The "generation" generation

TotallyLogo has hired you as a technical consultant on their exciting new project. Since they were founded, TotallyLogo has been designing custom logos for its customers, which are created digitally by their team of specialist designers. They still want to offer this white-glove service but also want to provide self-serve logos, where customers can write a description of how they want their logo to look and feel, and a generative AI model will create one for them.

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What type of generative AI model would be required in this case?