¿Hay algún buen modelo de lenguaje listo para usar para Python?

Estoy creando prototipos de una aplicación y necesito un modelo de lenguaje para calcular la perplejidad en algunas oraciones generadas. ¿Hay algún modelo de lenguaje entrenado en Python que pueda usar fácilmente? Algo simple como model = LanguageModel('en') p1 = model.perplexity('This is a well...

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