Real ChatGPT answer · index seed9CQTjjwAojQcompleteMarketing and advertising · AI search and generative engine optimizationinformational
How do AI search engines like Perplexity actually decide which external sources to cite when generating an answer for a user query?
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
How do AI search engines like Perplexity actually decide which external sources to cite when generating an answer for a user query?
2 real searches · 1 real-search pass
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (2)
Classes come from the query-classifier (a local Laya model). 2 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT2 real searches · gpt-6
Perplexity AI how citations sources selected search ranking official documentation citations answer engine Google ↗
Perplexity search architecture source selection retrieval reranking citations research paper RAG Google ↗
- Architecting and Evaluating an AI-First Search API · perplexity.ai
- What is Pro Search? · perplexity.ai
- Perplexity Search | Accurate, Cited AI Answers for Every Question · perplexity.ai
Queries
2 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
Perplexity AI how citations sources selected search ranking official documentation citations answer engine OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 | |
Perplexity search architecture source selection retrieval reranking citations research paper RAG OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 |