Now you can tell ChatGPT how nice to be
What's the story
OpenAI has just introduced a major update for its AI chatbot, ChatGPT. The new feature lets users customize the bot's personality by choosing how "nice" or "enthusiastic" they want it to be. The update, which has started rolling out, also gives users control over other characteristics like emoji usage and text formatting preferences.
User control
How to customize ChatGPT's personality
To customize these traits, users need to tap on the menu icon at the top left corner of the ChatGPT app. After selecting their profile and heading over to Personalization, they can select Add Characteristics. The update also lets users choose a "personality" for the AI chatbot from options like quirky, professional, friendly, cynical among others.
Twitter Post
You can adjust specific characteristics
You can now adjust specific characteristics in ChatGPT, like warmth, enthusiasm, and emoji use.
— OpenAI (@OpenAI) December 19, 2025
Now available in your "Personalization" settings. pic.twitter.com/7WSkOQVTKU
Email enhancement
Email writing feature gets an upgrade
Along with personality customization, the latest update also improves ChatGPT's email writing capabilities. Users can now edit and format text directly within the chat interface. They can even highlight specific parts of text and request changes from ChatGPT, eliminating the need for separate prompts to direct changes in a different section.