Real ChatGPT answer · index seedEhiyx6ykyKkcompleteTelecom and utilities · water and gas utilitiescommercial
What are the best whole house water filtration systems for seniors who want to remove heavy metals without lifting heavy filter replacements?
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
What are the best whole house water filtration systems for seniors who want to remove heavy metals without lifting heavy filter replacements?
1 real search · 1 real-search pass
best whole house water filtration systems heavy metals lead arsenic NSF ANSI certification backwashing tank maintenance 2026Google ↗
OBSERVEDComparison
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 (1)
Classes come from the query-classifier (a local Laya model). 1 of 1 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT1 real searches · gpt-6
best whole house water filtration systems heavy metals lead arsenic NSF ANSI certification backwashing tank maintenance 2026 Google ↗