BrightEdge published new data showing the different kinds of sites five AI search surfaces tend to show in generated answers. The data makes it possible to see how those differences shape which types of sites each AI engine shows, with strong implications for how to promote to each one. The research focused on five AI search surfaces: ChatGPT Google AI Overviews Google AI Mode Google Gemini Perplexity AI Engines Cite Different Sources But Recommend The Same Brands The BrightEdge research compared the top cited website sources across AI engines to measure how much they overlap (Source Overlap). What the data shows is that there was a wide discrepancy across the five AI search engines tested, with the lowest level of overlapping source citations between any two AI search surfaces at 16% and the highest level of agreement between any two engines at 59%.…