Is it bad to brainstorm my startup idea with Chatgpt 4o?

Currently I'm working in idea stage and there's possibility of getting funding from university for R&D I'm from non business background and I don't have any frnds from that back All I can discuss By chatgpt only But whenever people listen about CHATGPT they take it worthless Is it that bad? I mean with the current other analysis feature and search engines feature gpt is a bit trustable? Can you guys help me with this?