Existe-t-il de bons modèles de langage prêts à l'emploi pour python?

Je prototype une application et j'ai besoin d'un modèle de langage pour calculer la perplexité sur certaines phrases générées. Existe-t-il un modèle de langage formé en python que je peux facilement utiliser? Quelque chose de simple comme model = LanguageModel('en') p1 = model.perplexity('This is a...

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