ChatGPT users report unexpected profanity amid recent updates

Following the rollout of the GPT-5.6 Luna model, users report ChatGPT is using more profanity, including the F-word, in casual chats. While OpenAI hasn't confirmed intentional changes, the AI’s new conversational flexibility and user-mirroring traits likely explain the shift. The informal tone has polarized users, with some enjoying the human-like feel and others finding it unprofessional.