Yeah, they need something in their system prompt to tell their name or else they have absolutely no idea what they are and will hallucinate to 100% based on training data. If you're lucky, the AI just might guess right based on these circumstances.

It's not unusual for AI's to think they're OpenAI/ChatGPT because it's become so popular that it's leaked into the buzz it's trained on.

You'd think they would include this kind of detail in the training set, but it gets overlooked.

Indeed, asking the model which model it is might be one of the worst ways to find that information out