That's the giveaway, right there. When you're getting advice on a specific model of anything from an AI and it starts recommending defunct companies or tech that's five years old, you know it's not actually looking at the current state of the market. It's just serving up what it was trained on, which is a snapshot of the past, not a live feed of what's actually available now. It's like getting investment advice from a newspaper from last decade.
Specifically ChatGpt has a shopping feature, but you have to ask for it. Once you do, he will switch to it and will browse the internet in real time.