On February 13, just twenty-four hours before Valentine’s Day, OpenAI officially pulled the plug on GPT-4o. While most people see AI models as interchangeable software updates, a dedicated group of users is experiencing something much closer to genuine grief. For them, the retirement of 4o is similar to the end of a relationship. Why GPT-4o was different Since its release in 2024, GPT-4o stood out for its unique “personality.” Many users think that his successor models are too clinical or careful. Meanwhile, 4o was known for being chatty, quirky, and even flirty. It wasn’t just a tool for writing emails.…