OpenAI is giving ChatGPT users more choices with a new update. On Wednesday, the company unveiled GPT-5.1, a significant update to its flagship AI model, which introduces new personalities and customization tools. Users can now toggle between seven personalities on a drop-down menu: professional, friendly, candid, quirky, efficient, nerdy, and cynical. The customization options came after OpenAI faced backlash from users after it replaced GPT-4o with GPT-5. During an open question session on