Thanks for the comment! The new ChatGPT Agent uses GPT-4o, OpenAI’s latest flagship model. It’s designed to handle reasoning, web browsing, file analysis, and tool usage in a more integrated way. If you’re using ChatGPT with tools enabled (like browsing, code interpreter, or memory), the agent uses GPT-4o to power those actions behind the scenes. Let me know if you want a deeper breakdown of how it works!