Meta is now allowing rival AI companies to provide their chatbots on WhatsApp to Brazilian users for a fee, a day after the company confirmed a similar decision for users in Europe. Earlier this week, Brazil’s antitrust regulator CADE ruled against Meta and rejected its appeal to block an earlier order to suspend its policy change that seeks to bar third-party AI chatbots on WhatsApp. “Upon reviewing the case, the CADE Tribunal determined that the necessary requirements for maintaining the preventive measure were present. According to the case rapporteur, Councilor Carlos Jacques, there is evidence of legal plausibility, considering the relevance of WhatsApp in the Brazilian instant messaging services market,” CADE’s ruling reads. The regulator added that banning third-party AI chatbots on WhatsApp “would not be proportionate” and could result in competitive harm.…