They solve different problems. The teams doing best are running both — without pretending either one replaces the other.
AI Visibility
There is no support ticket for “ChatGPT is wrong about us”. The only durable lever is changing what the model reads next time — here is the order that works.
Most teams asking how to show up in ChatGPT have never checked what it currently says about them. A practical method for building a prompt set, running it properly and scoring what comes back.
A page can hold position one in Google and never appear in a single AI answer. Ranking measures retrievability; citation measures whether a model decided you were worth repeating.