ChatGPT’s Premium Model Is Reading Your Website. Its Free Model Isn’t.
ChatGPT’s premium model reads your actual website before citing you; its free model doesn’t even visit, and the two share only 7% of sources. Writesonic ran 50 prompts across ChatGPT’s two current models and extracted every fan-out query and citation. The headline number: GPT-5.4 Thinking (the premium model) sends 56% of its citations to brand ...