| Surface focus | The structured-answer block. The 4 to 8 brands cited as recommended or alternative when buyers ask comparison queries on ChatGPT, Claude, Perplexity, Bing Copilot | Whatever the engine does with mass-shipped content; no structured-answer engineering discipline | LLM SEO targets the corpus (upstream); GEO targets the synthesized paragraph; ASO targets portfolio breadth; Perplexity SEO single-engine deep; AI SEO Services hybrid SEO + AI-search |
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| Engines covered | ChatGPT, Claude, Perplexity, Bing Copilot - the 4 answer engines that ship structured-answer blocks with citations | Google blue-link + ChatGPT only; Claude, Bing Copilot, Perplexity treated as out of scope | Sister spokes cover different engine sets (LLM SEO 4 LLMs, ASO 5 engines, GEO 4 generative surfaces, Perplexity-only) |
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| Citation position vs coverage | Position-engineering: recommended tier (position 1-2) vs alternative tier (4-8). Authority + Wikipedia + directory rank determine position | Coverage-only; brand cited as alternative permanently with no position-lift work | Sister spokes optimize for different KPIs (corpus diversity, paragraph pickup, portfolio balance, mode coverage) |
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| Schema discipline | FAQ + Article + HowTo + Service + Org graph audited against Google Rich Results AND per-engine retrieval test | Generic schema validation; per-engine retrieval test never run | Sister spokes use schema as one signal among many; AEO is most schema-discipline-heavy |
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| When to choose this | Buyer journey runs through the structured-answer block on the 4 answer engines (most B2B comparison and evaluation queries) | Brand needs Google blue-link traffic only; AI-search out of scope | Brand needs corpus seeding (LLM SEO), portfolio breadth (ASO), synthesis quality (GEO), Perplexity depth (Perplexity SEO), or hybrid Google + AI-search (AI SEO Services) |
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| Pricing model | $1,500 sandbox audit · retainer by application · outcome-priced milestones | Hourly retainer regardless of result | Each sister spoke at $1,500 sandbox audit · retainer by application |
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