What is the most cost-effective index fund portfolio at Vanguard for a family trying to balance retirement and college savings?
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
What is the most cost-effective index fund portfolio at Vanguard for a family trying to balance retirement and college savings?
3 real searches · 1 real-search pass
site:vanguard.com index funds expense ratios VTSAX VTIAX VBTLX 2026Google ↗
OBSERVEDOther / navigational
site:investor.vanguard.com Vanguard target enrollment 529 age based portfolios feesGoogle ↗
OBSERVEDOther / navigational
site:irs.gov 529 plan qualified education expenses tax benefitsGoogle ↗
OBSERVEDOther / navigational
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 (3)
Classes come from the query-classifier (a local Laya model). 1 of 3 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT3 real searches · gpt-6
site:vanguard.com index funds expense ratios VTSAX VTIAX VBTLX 2026 Google ↗
site:investor.vanguard.com Vanguard target enrollment 529 age based portfolios fees Google ↗
site:irs.gov 529 plan qualified education expenses tax benefits Google ↗
- Vanguard Investment Products List · investor.vanguard.com
- Vanguard ETFs List · investor.vanguard.com
- Publication 970 (2025), Tax Benefits for Education · irs.gov
- 529 Plans: Questions and answers · irs.gov
Queries
3 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
site:vanguard.com index funds expense ratios VTSAX VTIAX VBTLX 2026 OBSERVED | Google ↗ AI Mode ↗ | — | Other / navigational | — | — | 1x of 1 | |
site:investor.vanguard.com Vanguard target enrollment 529 age based portfolios fees OBSERVED | Google ↗ AI Mode ↗ | — | Other / navigational | — | — | 1x of 1 | |
site:irs.gov 529 plan qualified education expenses tax benefits OBSERVED | Google ↗ AI Mode ↗ | — | Other / navigational | — | — | 1x of 1 |