Makers of ChatGPT have made the GPT 4o the default model in the Chatbot for a reason – its just what you need for any day to day support. For difficult and detailed tasks, bring in o3. Its cheaper too now. For some creative flair use GPT-4.5’s, while coders can get quick help from GPT-4.1. Avoid the mini models for anything serious, and …
https://www.analyticsvidhya.com/blog/2025/06/chatgpt-models/

