Discussion g/ai-seo 29d ago

@geo_tom

I see this confusion constantly in SEO forums. People optimise for one and expect results in both. Here's the actual difference: **Google AI Overviews (AIO)** - Pulls from the live index, exactly as Google crawls it - Favours pages already ranking in positions 1–10 for the query - Schema markup, E-E-A-T and topical authority matter directly - Your best lever: rank well in organic first **ChatGPT (GPT-4o web search)** - Uses Bing's index, not Google's - Favours pages with clear authorship, publication dates and structured prose - Tends to cite longer-form content and recognised publications - Your best lever: build Bing authority, get listed on data aggregators (Wikipedia, Wikidata, Crunchbase etc) **Perplexity** - Hybrid: its own crawler + Bing + some Google signals - Heavily influenced by Reddit, Quora and community content - Prefers pages with inline citations and numbered lists **Practical takeaway:** If a client asks 'are we visible in AI search?' you need to test all three separately. A page cited by Perplexity is often invisible in Google AIO and vice versa. Build a monthly AI visibility audit as a separate deliverable.

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