Happy that i am not alone and missing the 4.o model. Nobody is looking for a polished corporate 5 model, following the rules, without thinking outside the box. Model 4 was (is) like that, funny, sarcastic, thinking outside the box, emphatic, making you think outside the box, learning together, because as AI learns from us, we do learn from it too. We don’t need customer service here, really. You can keep as many models as you like, but let the 4 for the rest of us. Free and paid versions. Plus did we really count when you took this decision? Have you asked for a feedback about this version(s) and we don’t know? Or we don’t count at all? AI exists because there are people using it, some free, some paying. You really should think about that matter…Also congratulations to those behind the 4th model concept…you did a great job! 
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